121452002031 has 16 divisors (see below), whose sum is σ = 164808748800. Its totient is φ = 79533763008.

The previous prime is 121452001997. The next prime is 121452002051. The reversal of 121452002031 is 130200254121.

It is not a de Polignac number, because 121452002031 - 2⁹ = 121452001519 is a prime.

It is a super-2 number, since 2×121452002031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121452001989 and 121452002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121452002051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38011 + ... + 494316.

It is an arithmetic number, because the mean of its divisors is an integer number (10300546800).

Almost surely, 2^121452002031 is an apocalyptic number.

121452002031 is a deficient number, since it is larger than the sum of its proper divisors (43356746769).

121452002031 is a wasteful number, since it uses less digits than its factorization.

121452002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533678.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 121452002031 its reverse (130200254121), we get a palindrome (251652256152).

The spelling of 121452002031 in words is "one hundred twenty-one billion, four hundred fifty-two million, two thousand, thirty-one".