1231220332202 has 32 divisors (see below), whose sum is σ = 2132056755840. Its totient is φ = 522326750400.

The previous prime is 1231220332201. The next prime is 1231220332291. The reversal of 1231220332202 is 2022330221321.

It is not an unprimeable number, because it can be changed into a prime (1231220332201) 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, 1219988 + ... + 1987664.

It is an arithmetic number, because the mean of its divisors is an integer number (66626773620).

Almost surely, 2^{1231220332202} is an apocalyptic number.

1231220332202 is a deficient number, since it is larger than the sum of its proper divisors (900836423638).

1231220332202 is a wasteful number, since it uses less digits than its factorization.

1231220332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768846.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1231220332202 its reverse (2022330221321), we get a palindrome (3253550553523).

The spelling of 1231220332202 in words is "one trillion, two hundred thirty-one billion, two hundred twenty million, three hundred thirty-two thousand, two hundred two".