121026730000 has 100 divisors (see below), whose sum is σ = 319656089808. Its totient is φ = 44009680000.

The previous prime is 121026729979. The next prime is 121026730037. The reversal of 121026730000 is 37620121.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 440122 + ... + 660121.

Almost surely, 2^121026730000 is an apocalyptic number.

121026730000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121026730000 is an abundant number, since it is smaller than the sum of its proper divisors (198629359808).

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

121026730000 is a wasteful number, since it uses less digits than its factorization.

121026730000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100282 (or 1100261 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 121026730000 in words is "one hundred twenty-one billion, twenty-six million, seven hundred thirty thousand".