1231442032102 has 16 divisors (see below), whose sum is σ = 1858412556000. Its totient is φ = 611982527040.

The previous prime is 1231442032061. The next prime is 1231442032111. The reversal of 1231442032102 is 2012302441321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619327 + ... + 3053482.

It is an arithmetic number, because the mean of its divisors is an integer number (116150784750).

Almost surely, 2^{1231442032102} is an apocalyptic number.

1231442032102 is a deficient number, since it is larger than the sum of its proper divisors (626970523898).

1231442032102 is a wasteful number, since it uses less digits than its factorization.

1231442032102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673471.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1231442032102 its reverse (2012302441321), we get a palindrome (3243744473423).

The spelling of 1231442032102 in words is "one trillion, two hundred thirty-one billion, four hundred forty-two million, thirty-two thousand, one hundred two".