1232020013331 has 32 divisors (see below), whose sum is σ = 1717252669440. Its totient is φ = 784905123744.

The previous prime is 1232020013327. The next prime is 1232020013333. The reversal of 1232020013331 is 1333100202321.

It is not a de Polignac number, because 1232020013331 - 2² = 1232020013327 is a prime.

It is a super-2 number, since 2×1232020013331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232020013298 and 1232020013307.

It is not an unprimeable number, because it can be changed into a prime (1232020013333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18294840 + ... + 18362058.

It is an arithmetic number, because the mean of its divisors is an integer number (53664145920).

Almost surely, 2^{1232020013331} is an apocalyptic number.

1232020013331 is a deficient number, since it is larger than the sum of its proper divisors (485232656109).

1232020013331 is a wasteful number, since it uses less digits than its factorization.

1232020013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70335.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1232020013331 its reverse (1333100202321), we get a palindrome (2565120215652).

The spelling of 1232020013331 in words is "one trillion, two hundred thirty-two billion, twenty million, thirteen thousand, three hundred thirty-one".