121134131402 has 16 divisors (see below), whose sum is σ = 183498491232. Its totient is φ = 59968579920.

The previous prime is 121134131359. The next prime is 121134131411. The reversal of 121134131402 is 204131431121.

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, 246173 + ... + 550335.

It is an arithmetic number, because the mean of its divisors is an integer number (11468655702).

Almost surely, 2^121134131402 is an apocalyptic number.

121134131402 is a deficient number, since it is larger than the sum of its proper divisors (62364359830).

121134131402 is a wasteful number, since it uses less digits than its factorization.

121134131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306133.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121134131402 its reverse (204131431121), we get a palindrome (325265562523).

The spelling of 121134131402 in words is "one hundred twenty-one billion, one hundred thirty-four million, one hundred thirty-one thousand, four hundred two".