1200002030031 has 16 divisors (see below), whose sum is σ = 1828725250304. Its totient is φ = 685658922624.

The previous prime is 1200002030023. The next prime is 1200002030033. The reversal of 1200002030031 is 1300302000021.

It is a happy number.

It is not a de Polignac number, because 1200002030031 - 2³ = 1200002030023 is a prime.

It is a super-2 number, since 2×1200002030031² (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 = 1200002029989 and 1200002030016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200002030033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2093626 + ... + 2604471.

It is an arithmetic number, because the mean of its divisors is an integer number (114295328144).

Almost surely, 2^{1200002030031} is an apocalyptic number.

1200002030031 is a deficient number, since it is larger than the sum of its proper divisors (628723220273).

1200002030031 is a wasteful number, since it uses less digits than its factorization.

1200002030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4710270.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1200002030031 its reverse (1300302000021), we get a palindrome (2500304030052).

The spelling of 1200002030031 in words is "one trillion, two hundred billion, two million, thirty thousand, thirty-one".