7212131464 has 32 divisors (see below), whose sum is σ = 13902436800. Its totient is φ = 3505014720.

The previous prime is 7212131461. The next prime is 7212131489. The reversal of 7212131464 is 4641312127.

It is not an unprimeable number, because it can be changed into a prime (7212131461) 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, 289669 + ... + 313579.

It is an arithmetic number, because the mean of its divisors is an integer number (434451150).

Almost surely, 2^7212131464 is an apocalyptic number.

7212131464 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7212131464 is a deficient number, since it is larger than the sum of its proper divisors (6690305336).

7212131464 is a wasteful number, since it uses less digits than its factorization.

7212131464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24973 (or 24969 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 7212131464 is about 84924.2689930270. The cubic root of 7212131464 is about 1932.0626791616.

The spelling of 7212131464 in words is "seven billion, two hundred twelve million, one hundred thirty-one thousand, four hundred sixty-four".