212302031028 has 24 divisors (see below), whose sum is σ = 496364148000. Its totient is φ = 70625523360.

The previous prime is 212302031027. The next prime is 212302031111. The reversal of 212302031028 is 820130203212.

It is a happy number.

It is a super-2 number, since 2×212302031028² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212302030989 and 212302031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302031027) 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, 17721303 + ... + 17733278.

It is an arithmetic number, because the mean of its divisors is an integer number (20681839500).

Almost surely, 2^212302031028 is an apocalyptic number.

It is an amenable number.

212302031028 is an abundant number, since it is smaller than the sum of its proper divisors (284062116972).

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

212302031028 is a wasteful number, since it uses less digits than its factorization.

212302031028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35455087 (or 35455085 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 212302031028 in words is "two hundred twelve billion, three hundred two million, thirty-one thousand, twenty-eight".