121010330231012 has 24 divisors (see below), whose sum is σ = 211869315010080. Its totient is φ = 60476242850240.

The previous prime is 121010330230969. The next prime is 121010330231149. The reversal of 121010330231012 is 210132033010121.

It is a happy number.

It is a super-2 number, since 2×121010330231012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190929623 + ... + 191562369.

It is an arithmetic number, because the mean of its divisors is an integer number (8827888125420).

Almost surely, 2^{121010330231012} is an apocalyptic number.

It is an amenable number.

121010330231012 is a deficient number, since it is larger than the sum of its proper divisors (90858984779068).

121010330231012 is a wasteful number, since it uses less digits than its factorization.

121010330231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655531 (or 655529 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121010330231012 its reverse (210132033010121), we get a palindrome (331142363241133).

The spelling of 121010330231012 in words is "one hundred twenty-one trillion, ten billion, three hundred thirty million, two hundred thirty-one thousand, twelve".