121070450517372 has 18 divisors (see below), whose sum is σ = 306039194363448. Its totient is φ = 40356816839112.

The previous prime is 121070450517353. The next prime is 121070450517383. The reversal of 121070450517372 is 273715054070121.

121070450517372 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 7 + 0 + 4 + 505 + 1 + 73 + 72 = 666.

121070450517372 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1681534034928 + ... + 1681534034999.

It is an arithmetic number, because the mean of its divisors is an integer number (17002177464636).

Almost surely, 2^{121070450517372} is an apocalyptic number.

121070450517372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121070450517372 is an abundant number, since it is smaller than the sum of its proper divisors (184968743846076).

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

121070450517372 is a wasteful number, since it uses less digits than its factorization.

121070450517372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363068069937 (or 3363068069932 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 121070450517372 in words is "one hundred twenty-one trillion, seventy billion, four hundred fifty million, five hundred seventeen thousand, three hundred seventy-two".