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1222211120010 = 23553768686239
BaseRepresentation
bin10001110010010001011…
…101011010101110001010
311022211201222211220122220
4101302101131122232022
5130011042021320020
62333250453554510
7154205350051656
oct21622135325612
94284658756586
101222211120010
11431378350321
12178a58045a36
138b33c0b857a
1443226343a66
1521bd4b1d240
hex11c9175ab8a

1222211120010 has 32 divisors (see below), whose sum is σ = 2988652101120. Its totient is φ = 319773475008.

The previous prime is 1222211119979. The next prime is 1222211120021. The reversal of 1222211120010 is 100211122221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384341530 + ... + 384344709.

It is an arithmetic number, because the mean of its divisors is an integer number (93395378160).

Almost surely, 21222211120010 is an apocalyptic number.

1222211120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222211120010 is an abundant number, since it is smaller than the sum of its proper divisors (1766440981110).

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

1222211120010 is a wasteful number, since it uses less digits than its factorization.

1222211120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768686302.

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

Adding to 1222211120010 its reverse (100211122221), we get a palindrome (1322422242231).

The spelling of 1222211120010 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 768686239 1537372478 2306058717 3843431195 4612117434 7686862390 11530293585 23060587170 40740370667 81480741334 122221112001 203701853335 244442224002 407403706670 611105560005 1222211120010