121240243203032 has 16 divisors (see below), whose sum is σ = 227338255408200. Its totient is φ = 60616708427520.

The previous prime is 121240243203011. The next prime is 121240243203073. The reversal of 121240243203032 is 230302342042121.

It is a junction number, because it is equal to n+sod(n) for n = 121240243202986 and 121240243203004.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 426495782 + ... + 426779957.

Almost surely, 2^{121240243203032} is an apocalyptic number.

It is an amenable number.

121240243203032 is a deficient number, since it is larger than the sum of its proper divisors (106098012205168).

121240243203032 is a wasteful number, since it uses less digits than its factorization.

121240243203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853293506 (or 853293502 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 121240243203032 its reverse (230302342042121), we get a palindrome (351542585245153).

The spelling of 121240243203032 in words is "one hundred twenty-one trillion, two hundred forty billion, two hundred forty-three million, two hundred three thousand, thirty-two".