1231202113030 has 32 divisors (see below), whose sum is σ = 2270306864448. Its totient is φ = 480450009600.

The previous prime is 1231202113007. The next prime is 1231202113051. The reversal of 1231202113030 is 303112021321.

It is a junction number, because it is equal to n+sod(n) for n = 1231202112989 and 1231202113007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14715415 + ... + 14798845.

It is an arithmetic number, because the mean of its divisors is an integer number (70947089514).

Almost surely, 2^{1231202113030} is an apocalyptic number.

1231202113030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231202113030 is a deficient number, since it is larger than the sum of its proper divisors (1039104751418).

1231202113030 is a wasteful number, since it uses less digits than its factorization.

1231202113030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119472.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1231202113030 its reverse (303112021321), we get a palindrome (1534314134351).

The spelling of 1231202113030 in words is "one trillion, two hundred thirty-one billion, two hundred two million, one hundred thirteen thousand, thirty".