1212790752 has 48 divisors (see below), whose sum is σ = 3537308880. Its totient is φ = 404263296.

The previous prime is 1212790739. The next prime is 1212790753. The reversal of 1212790752 is 2570972121.

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

It is a super-2 number, since 2×1212790752² = 2941722816273451008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212790753) 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, 700983 + ... + 702710.

It is an arithmetic number, because the mean of its divisors is an integer number (73693935).

Almost surely, 2^1212790752 is an apocalyptic number.

1212790752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212790752 is an abundant number, since it is smaller than the sum of its proper divisors (2324518128).

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

1212790752 is a wasteful number, since it uses less digits than its factorization.

1212790752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403712 (or 1403698 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 1212790752 is about 34825.1453981171. The cubic root of 1212790752 is about 1066.4208450890.

The spelling of 1212790752 in words is "one billion, two hundred twelve million, seven hundred ninety thousand, seven hundred fifty-two".