1272269988960 has 48 divisors (see below), whose sum is σ = 4007650466736. Its totient is φ = 339271996928.

The previous prime is 1272269988953. The next prime is 1272269988961. The reversal of 1272269988960 is 698899622721.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272269988961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325280759 + ... + 1325281718.

It is an arithmetic number, because the mean of its divisors is an integer number (83492718057).

Almost surely, 2^{1272269988960} is an apocalyptic number.

1272269988960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272269988960 is an abundant number, since it is smaller than the sum of its proper divisors (2735380477776).

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

1272269988960 is a wasteful number, since it uses less digits than its factorization.

1272269988960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650562495 (or 2650562487 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 69.

The spelling of 1272269988960 in words is "one trillion, two hundred seventy-two billion, two hundred sixty-nine million, nine hundred eighty-eight thousand, nine hundred sixty".