1264532373252 has 18 divisors (see below), whose sum is σ = 3196456832478. Its totient is φ = 421510791072.

The previous prime is 1264532373173. The next prime is 1264532373263. The reversal of 1264532373252 is 2523732354621.

1264532373252 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 5 + 323 + 73 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 920402309376 + 344130063876 = 959376^2 + 586626^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1264532373198 and 1264532373207.

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, 17562949593 + ... + 17562949664.

Almost surely, 2^{1264532373252} is an apocalyptic number.

1264532373252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264532373252 is an abundant number, since it is smaller than the sum of its proper divisors (1931924459226).

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

1264532373252 is a wasteful number, since it uses less digits than its factorization.

1264532373252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35125899267 (or 35125899262 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The spelling of 1264532373252 in words is "one trillion, two hundred sixty-four billion, five hundred thirty-two million, three hundred seventy-three thousand, two hundred fifty-two".