212441431220 has 12 divisors (see below), whose sum is σ = 446127005604. Its totient is φ = 84976572480.

The previous prime is 212441431187. The next prime is 212441431253. The reversal of 212441431220 is 22134144212.

It is an interprime number because it is at equal distance from previous prime (212441431187) and next prime (212441431253).

It can be written as a sum of positive squares in 2 ways, for example, as 45327261604 + 167114169616 = 212902^2 + 408796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212441431220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5311035761 + ... + 5311035800.

It is an arithmetic number, because the mean of its divisors is an integer number (37177250467).

Almost surely, 2^212441431220 is an apocalyptic number.

212441431220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212441431220 is an abundant number, since it is smaller than the sum of its proper divisors (233685574384).

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

212441431220 is a wasteful number, since it uses less digits than its factorization.

212441431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622071570 (or 10622071568 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 212441431220 its reverse (22134144212), we get a palindrome (234575575432).

The spelling of 212441431220 in words is "two hundred twelve billion, four hundred forty-one million, four hundred thirty-one thousand, two hundred twenty".