121012514031 has 8 divisors (see below), whose sum is σ = 162916524160. Its totient is φ = 79891756632.

The previous prime is 121012514011. The next prime is 121012514039. The reversal of 121012514031 is 130415210121.

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

It is not a de Polignac number, because 121012514031 - 2⁹ = 121012513519 is a prime.

It is a super-2 number, since 2×121012514031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121012513989 and 121012514007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012514039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195812821 + ... + 195813438.

It is an arithmetic number, because the mean of its divisors is an integer number (20364565520).

Almost surely, 2^121012514031 is an apocalyptic number.

121012514031 is a deficient number, since it is larger than the sum of its proper divisors (41904010129).

121012514031 is a wasteful number, since it uses less digits than its factorization.

121012514031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391626365.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 121012514031 its reverse (130415210121), we get a palindrome (251427724152).

The spelling of 121012514031 in words is "one hundred twenty-one billion, twelve million, five hundred fourteen thousand, thirty-one".