1231121120302 has 8 divisors (see below), whose sum is σ = 1858911360912. Its totient is φ = 611484000000.

The previous prime is 1231121120297. The next prime is 1231121120363. The reversal of 1231121120302 is 2030211211321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1231121120302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038279699 + ... + 2038280302.

It is an arithmetic number, because the mean of its divisors is an integer number (232363920114).

Almost surely, 2^{1231121120302} is an apocalyptic number.

1231121120302 is a deficient number, since it is larger than the sum of its proper divisors (627790240610).

1231121120302 is a wasteful number, since it uses less digits than its factorization.

1231121120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076560154.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1231121120302 its reverse (2030211211321), we get a palindrome (3261332331623).

The spelling of 1231121120302 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred twenty thousand, three hundred two".