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12112211102122 = 220230929934929
BaseRepresentation
bin1011000001000001100000…
…0010100100100110101010
31120212220201211001201001201
42300100120002210212222
53041421302020231442
641432134543234414
72360035611441565
oct260203002444652
946786654051051
1012112211102122
11394a83a44773a
121437516ba8a0a
1369b23b007531
142dc33c6cd4dc
151600ee1c97b7
hexb04180a49aa

12112211102122 has 8 divisors (see below), whose sum is σ = 18168407064900. Its totient is φ = 6056075413824.

The previous prime is 12112211102111. The next prime is 12112211102137. The reversal of 12112211102122 is 22120111221121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11466018594801 + 646192507321 = 3386151^2 + 803861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12112211102122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14562847 + ... + 15372082.

Almost surely, 212112211102122 is an apocalyptic number.

12112211102122 is a deficient number, since it is larger than the sum of its proper divisors (6056195962778).

12112211102122 is a wasteful number, since it uses less digits than its factorization.

12112211102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30137240.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12112211102122 its reverse (22120111221121), we get a palindrome (34232322323243).

The spelling of 12112211102122 in words is "twelve trillion, one hundred twelve billion, two hundred eleven million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 202309 404618 29934929 59869858 6056105551061 12112211102122