1220412012031 has 4 divisors (see below), whose sum is σ = 1220488033072. Its totient is φ = 1220335990992.

The previous prime is 1220412012007. The next prime is 1220412012037. The reversal of 1220412012031 is 1302102140221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220412012031 - 2¹⁵ = 1220411979263 is a prime.

It is a super-2 number, since 2×1220412012031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220412012037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37986435 + ... + 38018548.

It is an arithmetic number, because the mean of its divisors is an integer number (305122008268).

Almost surely, 2^{1220412012031} is an apocalyptic number.

1220412012031 is a deficient number, since it is larger than the sum of its proper divisors (76021041).

1220412012031 is an equidigital number, since it uses as much as digits as its factorization.

1220412012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76021040.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1220412012031 its reverse (1302102140221), we get a palindrome (2522514152252).

The spelling of 1220412012031 in words is "one trillion, two hundred twenty billion, four hundred twelve million, twelve thousand, thirty-one".