121126462113552 has 160 divisors (see below), whose sum is σ = 359997767430144. Its totient is φ = 34376650560000.

The previous prime is 121126462113457. The next prime is 121126462113571. The reversal of 121126462113552 is 255311264621121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1286465677 + ... + 1286559827.

Almost surely, 2^{121126462113552} is an apocalyptic number.

121126462113552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121126462113552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179998883715072).

121126462113552 is an abundant number, since it is smaller than the sum of its proper divisors (238871305316592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121126462113552 is a wasteful number, since it uses less digits than its factorization.

121126462113552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119677 (or 119671 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The spelling of 121126462113552 in words is "one hundred twenty-one trillion, one hundred twenty-six billion, four hundred sixty-two million, one hundred thirteen thousand, five hundred fifty-two".