1201956156960 has 96 divisors (see below), whose sum is σ = 4077405138240. Its totient is φ = 295866129408.

The previous prime is 1201956156959. The next prime is 1201956156971. The reversal of 1201956156960 is 696516591021.

It is a tau number, because it is divible by the number of its divisors (96).

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, 96304350 + ... + 96316829.

It is an arithmetic number, because the mean of its divisors is an integer number (42472970190).

Almost surely, 2^{1201956156960} is an apocalyptic number.

1201956156960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201956156960 is an abundant number, since it is smaller than the sum of its proper divisors (2875448981280).

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

1201956156960 is a wasteful number, since it uses less digits than its factorization.

1201956156960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192621210 (or 192621202 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 1201956156960 in words is "one trillion, two hundred one billion, nine hundred fifty-six million, one hundred fifty-six thousand, nine hundred sixty".