121070370780 has 36 divisors (see below), whose sum is σ = 367246791912. Its totient is φ = 32285432160.

The previous prime is 121070370767. The next prime is 121070370787. The reversal of 121070370780 is 87073070121.

It is a happy number.

121070370780 is a `hidden beast` number, since 1 + 210 + 7 + 0 + 370 + 78 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121070370787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336306406 + ... + 336306765.

Almost surely, 2^121070370780 is an apocalyptic number.

121070370780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121070370780 is an abundant number, since it is smaller than the sum of its proper divisors (246176421132).

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

121070370780 is a wasteful number, since it uses less digits than its factorization.

121070370780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672613186 (or 672613181 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The spelling of 121070370780 in words is "one hundred twenty-one billion, seventy million, three hundred seventy thousand, seven hundred eighty".