210012432113121 has 64 divisors (see below), whose sum is σ = 319795963370496. Its totient is φ = 121468179744000.

The previous prime is 210012432113117. The next prime is 210012432113147. The reversal of 210012432113121 is 121311234210012.

It is not a de Polignac number, because 210012432113121 - 2² = 210012432113117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210012432113091 and 210012432113100.

It is not an unprimeable number, because it can be changed into a prime (210012432113101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5237526 + ... + 21153168.

It is an arithmetic number, because the mean of its divisors is an integer number (4996811927664).

Almost surely, 2^{210012432113121} is an apocalyptic number.

It is an amenable number.

210012432113121 is a deficient number, since it is larger than the sum of its proper divisors (109783531257375).

210012432113121 is a wasteful number, since it uses less digits than its factorization.

210012432113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15915902.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 210012432113121 its reverse (121311234210012), we get a palindrome (331323666323133).

The spelling of 210012432113121 in words is "two hundred ten trillion, twelve billion, four hundred thirty-two million, one hundred thirteen thousand, one hundred twenty-one".