212012213202 has 12 divisors (see below), whose sum is σ = 459359795310. Its totient is φ = 70670737728.

The previous prime is 212012213177. The next prime is 212012213221. The reversal of 212012213202 is 202312210212.

212012213202 is a `hidden beast` number, since 2 + 120 + 1 + 221 + 320 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 193732902801 + 18279310401 = 440151^2 + 135201^2 .

It is a super-3 number, since 3×212012213202³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11778456289 = 212012213202 / (2 + 1 + 2 + 0 + 1 + 2 + 2 + 1 + 3 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5889228127 + ... + 5889228162.

Almost surely, 2^212012213202 is an apocalyptic number.

212012213202 is an abundant number, since it is smaller than the sum of its proper divisors (247347582108).

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

212012213202 is a wasteful number, since it uses less digits than its factorization.

212012213202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778456297 (or 11778456294 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212012213202 its reverse (202312210212), we get a palindrome (414324423414).

The spelling of 212012213202 in words is "two hundred twelve billion, twelve million, two hundred thirteen thousand, two hundred two".