121442042332 has 48 divisors (see below), whose sum is σ = 232955447200. Its totient is φ = 55054847232.

The previous prime is 121442042297. The next prime is 121442042383. The reversal of 121442042332 is 233240244121.

It is a self number, because there is not a number n which added to its sum of digits gives 121442042332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165978 + ... + 1265854.

Almost surely, 2^121442042332 is an apocalyptic number.

It is an amenable number.

121442042332 is a deficient number, since it is larger than the sum of its proper divisors (111513404868).

121442042332 is a wasteful number, since it uses less digits than its factorization.

121442042332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100310 (or 100308 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 121442042332 its reverse (233240244121), we get a palindrome (354682286453).

The spelling of 121442042332 in words is "one hundred twenty-one billion, four hundred forty-two million, forty-two thousand, three hundred thirty-two".