220311021112012 has 24 divisors (see below), whose sum is σ = 394511738356736. Its totient is φ = 107593398532368.

The previous prime is 220311021112003. The next prime is 220311021112019. The reversal of 220311021112012 is 210211120113022.

It is not an unprimeable number, because it can be changed into a prime (220311021112019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54389233 + ... + 58299319.

Almost surely, 2^{220311021112012} is an apocalyptic number.

It is an amenable number.

220311021112012 is a deficient number, since it is larger than the sum of its proper divisors (174200717244724).

220311021112012 is a wasteful number, since it uses less digits than its factorization.

220311021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237717 (or 4237715 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 220311021112012 its reverse (210211120113022), we get a palindrome (430522141225034).

The spelling of 220311021112012 in words is "two hundred twenty trillion, three hundred eleven billion, twenty-one million, one hundred twelve thousand, twelve".