1220212101124 has 12 divisors (see below), whose sum is σ = 2171563909200. Its totient is φ = 599765269928.

The previous prime is 1220212101091. The next prime is 1220212101161. The reversal of 1220212101124 is 4211012120221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585194894 + ... + 2585195365.

It is an arithmetic number, because the mean of its divisors is an integer number (180963659100).

Almost surely, 2^{1220212101124} is an apocalyptic number.

It is an amenable number.

1220212101124 is a deficient number, since it is larger than the sum of its proper divisors (951351808076).

1220212101124 is a wasteful number, since it uses less digits than its factorization.

1220212101124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5170390322 (or 5170390320 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1220212101124 its reverse (4211012120221), we get a palindrome (5431224221345).

The spelling of 1220212101124 in words is "one trillion, two hundred twenty billion, two hundred twelve million, one hundred one thousand, one hundred twenty-four".