121031244412 has 24 divisors (see below), whose sum is σ = 230845514256. Its totient is φ = 55187553408.

The previous prime is 121031244409. The next prime is 121031244431. The reversal of 121031244412 is 214442130121.

It is a congruent number.

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, 14016913 + ... + 14025544.

It is an arithmetic number, because the mean of its divisors is an integer number (9618563094).

Almost surely, 2^121031244412 is an apocalyptic number.

It is an amenable number.

121031244412 is a deficient number, since it is larger than the sum of its proper divisors (109814269844).

121031244412 is a wasteful number, since it uses less digits than its factorization.

121031244412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28042557 (or 28042555 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 121031244412 its reverse (214442130121), we get a palindrome (335473374533).

The spelling of 121031244412 in words is "one hundred twenty-one billion, thirty-one million, two hundred forty-four thousand, four hundred twelve".