212303120274 has 24 divisors (see below), whose sum is σ = 525702964800. Its totient is φ = 60658034328.

The previous prime is 212303120273. The next prime is 212303120287. The reversal of 212303120274 is 472021303212.

212303120274 is a `hidden beast` number, since 212 + 303 + 120 + 27 + 4 = 666.

It is a super-2 number, since 2×212303120274² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212303120273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842472574 + ... + 842472825.

It is an arithmetic number, because the mean of its divisors is an integer number (21904290200).

Almost surely, 2^212303120274 is an apocalyptic number.

212303120274 is an abundant number, since it is smaller than the sum of its proper divisors (313399844526).

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

212303120274 is a wasteful number, since it uses less digits than its factorization.

212303120274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684945414 (or 1684945411 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 212303120274 its reverse (472021303212), we get a palindrome (684324423486).

The spelling of 212303120274 in words is "two hundred twelve billion, three hundred three million, one hundred twenty thousand, two hundred seventy-four".