1220002012031 has 16 divisors (see below), whose sum is σ = 1338705446400. Its totient is φ = 1102613064000.

The previous prime is 1220002012001. The next prime is 1220002012067. The reversal of 1220002012031 is 1302102000221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220002012031 - 2¹⁴ = 1220001995647 is a prime.

It is a super-2 number, since 2×1220002012031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220002011997 and 1220002012015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193960 + ... + 1966098.

It is an arithmetic number, because the mean of its divisors is an integer number (83669090400).

Almost surely, 2^{1220002012031} is an apocalyptic number.

1220002012031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220002012031 is a deficient number, since it is larger than the sum of its proper divisors (118703434369).

1220002012031 is a wasteful number, since it uses less digits than its factorization.

1220002012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772990.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1220002012031 its reverse (1302102000221), we get a palindrome (2522104012252).

The spelling of 1220002012031 in words is "one trillion, two hundred twenty billion, two million, twelve thousand, thirty-one".