121112412302444 has 24 divisors (see below), whose sum is σ = 221162894318688. Its totient is φ = 57923040067200.

The previous prime is 121112412302423. The next prime is 121112412302447. The reversal of 121112412302444 is 444203214211121.

It is a happy number.

It is a super-2 number, since 2×121112412302444² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121112412302444.

It is not an unprimeable number, because it can be changed into a prime (121112412302447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15977594 + ... + 22304894.

It is an arithmetic number, because the mean of its divisors is an integer number (9215120596612).

Almost surely, 2^{121112412302444} is an apocalyptic number.

It is an amenable number.

121112412302444 is a deficient number, since it is larger than the sum of its proper divisors (100050482016244).

121112412302444 is a wasteful number, since it uses less digits than its factorization.

121112412302444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535385 (or 6535383 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 121112412302444 its reverse (444203214211121), we get a palindrome (565315626513565).

The spelling of 121112412302444 in words is "one hundred twenty-one trillion, one hundred twelve billion, four hundred twelve million, three hundred two thousand, four hundred forty-four".