1231221501114 has 32 divisors (see below), whose sum is σ = 2686409288640. Its totient is φ = 373082448000.

The previous prime is 1231221501109. The next prime is 1231221501131. The reversal of 1231221501114 is 4111051221321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341352 + ... + 2064380.

It is an arithmetic number, because the mean of its divisors is an integer number (83950290270).

Almost surely, 2^{1231221501114} is an apocalyptic number.

1231221501114 is an abundant number, since it is smaller than the sum of its proper divisors (1455187787526).

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

1231221501114 is a wasteful number, since it uses less digits than its factorization.

1231221501114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748846.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1231221501114 its reverse (4111051221321), we get a palindrome (5342272722435).

The spelling of 1231221501114 in words is "one trillion, two hundred thirty-one billion, two hundred twenty-one million, five hundred one thousand, one hundred fourteen".