212303123232 has 48 divisors (see below), whose sum is σ = 557749463040. Its totient is φ = 70710086912.

The previous prime is 212303123183. The next prime is 212303123233. The reversal of 212303123232 is 232321303212.

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

It is a super-2 number, since 2×212303123232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (212303123233) 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, 781728 + ... + 1017695.

It is an arithmetic number, because the mean of its divisors is an integer number (11619780480).

Almost surely, 2^212303123232 is an apocalyptic number.

It is an amenable number.

212303123232 is an abundant number, since it is smaller than the sum of its proper divisors (345446339808).

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

212303123232 is a wasteful number, since it uses less digits than its factorization.

212303123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800665 (or 1800657 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212303123232 its reverse (232321303212), we get a palindrome (444624426444).

The spelling of 212303123232 in words is "two hundred twelve billion, three hundred three million, one hundred twenty-three thousand, two hundred thirty-two".