121493421700992 has 160 divisors (see below), whose sum is σ = 394431768739800. Its totient is φ = 36816188359680.

The previous prime is 121493421700969. The next prime is 121493421700999. The reversal of 121493421700992 is 299007124394121.

121493421700992 is a `hidden beast` number, since 1 + 2 + 1 + 49 + 342 + 170 + 0 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121493421700999) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 532527567 + ... + 532755662.

Almost surely, 2^{121493421700992} is an apocalyptic number.

121493421700992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121493421700992 is an abundant number, since it is smaller than the sum of its proper divisors (272938347038808).

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

121493421700992 is a wasteful number, since it uses less digits than its factorization.

121493421700992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065283266 (or 1065283245 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 121493421700992 in words is "one hundred twenty-one trillion, four hundred ninety-three billion, four hundred twenty-one million, seven hundred thousand, nine hundred ninety-two".