201220212220112 has 40 divisors (see below), whose sum is σ = 396729731056032. Its totient is φ = 98853554384000.

The previous prime is 201220212220037. The next prime is 201220212220123. The reversal of 201220212220112 is 211022212022102.

It is a super-3 number, since 3×201220212220112³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475045778 + ... + 475469169.

Almost surely, 2^{201220212220112} is an apocalyptic number.

It is an amenable number.

201220212220112 is a deficient number, since it is larger than the sum of its proper divisors (195509518835920).

201220212220112 is a wasteful number, since it uses less digits than its factorization.

201220212220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950515187 (or 950515181 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201220212220112 its reverse (211022212022102), we get a palindrome (412242424242214).

The spelling of 201220212220112 in words is "two hundred one trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty thousand, one hundred twelve".