113212123029 has 48 divisors (see below), whose sum is σ = 175874137920. Its totient is φ = 70151264352.

The previous prime is 113212123021. The next prime is 113212123043. The reversal of 113212123029 is 920321212311.

113212123029 is a `hidden beast` number, since 11 + 321 + 21 + 2 + 302 + 9 = 666.

It is not a de Polignac number, because 113212123029 - 2³ = 113212123021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113212122993 and 113212123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113212123021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3254442 + ... + 3289044.

It is an arithmetic number, because the mean of its divisors is an integer number (3664044540).

Almost surely, 2^113212123029 is an apocalyptic number.

113212123029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

113212123029 is a deficient number, since it is larger than the sum of its proper divisors (62662014891).

113212123029 is an equidigital number, since it uses as much as digits as its factorization.

113212123029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34719 (or 34678 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

It can be divided in two parts, 11321212302 and 9, that added together give a palindrome (11321212311).

The spelling of 113212123029 in words is "one hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, twenty-nine".