1272164690514 has 32 divisors (see below), whose sum is σ = 2547837452160. Its totient is φ = 423470461952.

The previous prime is 1272164690507. The next prime is 1272164690519. The reversal of 1272164690514 is 4150964612721.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1272164690519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22798192 + ... + 22853924.

It is an arithmetic number, because the mean of its divisors is an integer number (79619920380).

Almost surely, 2^{1272164690514} is an apocalyptic number.

1272164690514 is an abundant number, since it is smaller than the sum of its proper divisors (1275672761646).

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

1272164690514 is a wasteful number, since it uses less digits than its factorization.

1272164690514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60914.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 1272164690514 in words is "one trillion, two hundred seventy-two billion, one hundred sixty-four million, six hundred ninety thousand, five hundred fourteen".