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1012211022210 = 235389397218479
BaseRepresentation
bin11101011101011000111…
…10100111100110000010
310120202200201121121212220
432232230132213212002
5113041002010202320
62053000415031510
7133062350504613
oct16565436474602
93522621547786
101012211022210
11360304808693
1214420b50b596
13745b307657b
1436dc40b5c0a
151b4e37bbe40
hexebac7a7982

1012211022210 has 64 divisors (see below), whose sum is σ = 2441697523200. Its totient is φ = 268549661952.

The previous prime is 1012211022187. The next prime is 1012211022253. The reversal of 1012211022210 is 122201122101.

It is a super-2 number, since 2×10122110222102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012211022210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4523751 + ... + 4742229.

It is an arithmetic number, because the mean of its divisors is an integer number (38151523800).

Almost surely, 21012211022210 is an apocalyptic number.

1012211022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012211022210 is an abundant number, since it is smaller than the sum of its proper divisors (1429486500990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012211022210 is a wasteful number, since it uses less digits than its factorization.

1012211022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219275.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012211022210 its reverse (122201122101), we get a palindrome (1134412144311).

The spelling of 1012211022210 in words is "one trillion, twelve billion, two hundred eleven million, twenty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 389 397 778 794 1167 1191 1945 1985 2334 2382 3890 3970 5835 5955 11670 11910 154433 218479 308866 436958 463299 655437 772165 926598 1092395 1310874 1544330 2184790 2316495 3277185 4632990 6554370 84988331 86736163 169976662 173472326 254964993 260208489 424941655 433680815 509929986 520416978 849883310 867361630 1274824965 1301042445 2549649930 2602084890 33740367407 67480734814 101221102221 168701837035 202442204442 337403674070 506105511105 1012211022210