1231200001102 has 16 divisors (see below), whose sum is σ = 1944658492560. Its totient is φ = 583002453312.

The previous prime is 1231200001093. The next prime is 1231200001123. The reversal of 1231200001102 is 2011000021321.

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, 5373733 + ... + 5598160.

It is an arithmetic number, because the mean of its divisors is an integer number (121541155785).

Almost surely, 2^{1231200001102} is an apocalyptic number.

1231200001102 is a deficient number, since it is larger than the sum of its proper divisors (713458491458).

1231200001102 is a wasteful number, since it uses less digits than its factorization.

1231200001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10974867.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1231200001102 its reverse (2011000021321), we get a palindrome (3242200022423).

The spelling of 1231200001102 in words is "one trillion, two hundred thirty-one billion, two hundred million, one thousand, one hundred two".