121323743040 has 112 divisors (see below), whose sum is σ = 405476781120. Its totient is φ = 30650204160.

The previous prime is 121323743017. The next prime is 121323743053. The reversal of 121323743040 is 40347323121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 121323742989 and 121323743007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3307521 + ... + 3344000.

Almost surely, 2^121323743040 is an apocalyptic number.

121323743040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121323743040 is an abundant number, since it is smaller than the sum of its proper divisors (284153038080).

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

121323743040 is a wasteful number, since it uses less digits than its factorization.

121323743040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651560 (or 6651550 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 121323743040 in words is "one hundred twenty-one billion, three hundred twenty-three million, seven hundred forty-three thousand, forty".