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1021010022212 = 22434981586813
BaseRepresentation
bin11101101101110001111…
…00001000111101000100
310121121101221111010201212
432312320330020331010
5113212012031202322
62101013500110552
7133523402665055
oct16667074107504
93547357433655
101021010022212
1136400a5a3614
12145a66235458
1375385cac34b
14375ba92872c
151b85aee30e2
hexedb8f08f44

1021010022212 has 12 divisors (see below), whose sum is σ = 1786774691436. Its totient is φ = 510502967520.

The previous prime is 1021010022211. The next prime is 1021010022223. The reversal of 1021010022212 is 2122200101201.

It can be written as a sum of positive squares in 2 ways, for example, as 379239198976 + 641770823236 = 615824^2 + 801106^2 .

It is a super-2 number, since 2×10210100222122 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021010022211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446518 + ... + 2033330.

It is an arithmetic number, because the mean of its divisors is an integer number (148897890953).

Almost surely, 21021010022212 is an apocalyptic number.

It is an amenable number.

1021010022212 is a deficient number, since it is larger than the sum of its proper divisors (765764669224).

1021010022212 is a wasteful number, since it uses less digits than its factorization.

1021010022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021798 (or 1021796 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021010022212 its reverse (2122200101201), we get a palindrome (3143210123413).

The spelling of 1021010022212 in words is "one trillion, twenty-one billion, ten million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 434981 586813 869962 1173626 1739924 2347252 255252505553 510505011106 1021010022212