212131000302 has 32 divisors (see below), whose sum is σ = 464387673120. Its totient is φ = 64201057920.

The previous prime is 212131000267. The next prime is 212131000307. The reversal of 212131000302 is 203000131212.

It is a super-2 number, since 2×212131000302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212131000307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22287277 + ... + 22296792.

It is an arithmetic number, because the mean of its divisors is an integer number (14512114785).

Almost surely, 2^212131000302 is an apocalyptic number.

212131000302 is an abundant number, since it is smaller than the sum of its proper divisors (252256672818).

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

212131000302 is a wasteful number, since it uses less digits than its factorization.

212131000302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44584148.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212131000302 its reverse (203000131212), we get a palindrome (415131131514).

The spelling of 212131000302 in words is "two hundred twelve billion, one hundred thirty-one million, three hundred two", and thus it is an aban number.