212465488972 has 36 divisors (see below), whose sum is σ = 408754767960. Its totient is φ = 96559629760.

The previous prime is 212465488931. The next prime is 212465488973. The reversal of 212465488972 is 279884564212.

It is a super-2 number, since 2×212465488972² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212465488973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3286779 + ... + 3350797.

It is an arithmetic number, because the mean of its divisors is an integer number (11354299110).

Almost surely, 2^212465488972 is an apocalyptic number.

212465488972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212465488972 is a deficient number, since it is larger than the sum of its proper divisors (196289278988).

212465488972 is a wasteful number, since it uses less digits than its factorization.

212465488972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70902 (or 70889 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 212465488972 in words is "two hundred twelve billion, four hundred sixty-five million, four hundred eighty-eight thousand, nine hundred seventy-two".