202220001211212 has 36 divisors (see below), whose sum is σ = 511234831741816. Its totient is φ = 67397751933120.

The previous prime is 202220001211201. The next prime is 202220001211223. The reversal of 202220001211212 is 212112100022202.

It is a happy number.

202220001211212 is a `hidden beast` number, since 20 + 2 + 220 + 0 + 0 + 1 + 211 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (202220001211201) and next prime (202220001211223).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371188078 + ... + 371732469.

Almost surely, 2^{202220001211212} is an apocalyptic number.

It is an amenable number.

202220001211212 is an abundant number, since it is smaller than the sum of its proper divisors (309014830530604).

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

202220001211212 is a wasteful number, since it uses less digits than its factorization.

202220001211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742928118 (or 742928113 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202220001211212 its reverse (212112100022202), we get a palindrome (414332101233414).

The spelling of 202220001211212 in words is "two hundred two trillion, two hundred twenty billion, one million, two hundred eleven thousand, two hundred twelve".