212012021132 has 24 divisors (see below), whose sum is σ = 390968986800. Its totient is φ = 100318611456.

The previous prime is 212012021131. The next prime is 212012021197. The reversal of 212012021132 is 231120210212.

It is a super-2 number, since 2×212012021132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212012021132.

It is not an unprimeable number, because it can be changed into a prime (212012021131) 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, 1430813 + ... + 1572020.

It is an arithmetic number, because the mean of its divisors is an integer number (16290374450).

Almost surely, 2^212012021132 is an apocalyptic number.

It is an amenable number.

212012021132 is a deficient number, since it is larger than the sum of its proper divisors (178956965668).

212012021132 is a wasteful number, since it uses less digits than its factorization.

212012021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003785 (or 3003783 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212012021132 its reverse (231120210212), we get a palindrome (443132231344).

The spelling of 212012021132 in words is "two hundred twelve billion, twelve million, twenty-one thousand, one hundred thirty-two".