212412020202 has 24 divisors (see below), whose sum is σ = 460240034436. Its totient is φ = 70801854336.

The previous prime is 212412020201. The next prime is 212412020231. The reversal of 212412020202 is 202020214212.

212412020202 is a `hidden beast` number, since 21 + 241 + 202 + 0 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 211141169001 + 1270851201 = 459501^2 + 35649^2 .

It is a super-2 number, since 2×212412020202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (212412020201) 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, 498418 + ... + 820514.

Almost surely, 2^212412020202 is an apocalyptic number.

212412020202 is an abundant number, since it is smaller than the sum of its proper divisors (247828014234).

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

212412020202 is a wasteful number, since it uses less digits than its factorization.

212412020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358742 (or 358739 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212412020202 its reverse (202020214212), we get a palindrome (414432234414).

The spelling of 212412020202 in words is "two hundred twelve billion, four hundred twelve million, twenty thousand, two hundred two".