1021231312230 has 64 divisors (see below), whose sum is σ = 2454216408000. Its totient is φ = 271966248960.

The previous prime is 1021231312207. The next prime is 1021231312289. The reversal of 1021231312230 is 322131321201.

1021231312230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1021231312197 and 1021231312206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78254746 + ... + 78267794.

It is an arithmetic number, because the mean of its divisors is an integer number (38347131375).

Almost surely, 2^{1021231312230} is an apocalyptic number.

1021231312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021231312230 is an abundant number, since it is smaller than the sum of its proper divisors (1432985095770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021231312230 is a wasteful number, since it uses less digits than its factorization.

1021231312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021231312230 its reverse (322131321201), we get a palindrome (1343362633431).

The spelling of 1021231312230 in words is "one trillion, twenty-one billion, two hundred thirty-one million, three hundred twelve thousand, two hundred thirty".