121341210402 has 32 divisors (see below), whose sum is σ = 251318124288. Its totient is φ = 39030452496.

The previous prime is 121341210337. The next prime is 121341210421. The reversal of 121341210402 is 204012143121.

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, 2811808 + ... + 2854635.

It is an arithmetic number, because the mean of its divisors is an integer number (7853691384).

Almost surely, 2^121341210402 is an apocalyptic number.

121341210402 is an abundant number, since it is smaller than the sum of its proper divisors (129976913886).

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

121341210402 is a wasteful number, since it uses less digits than its factorization.

121341210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666574.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121341210402 its reverse (204012143121), we get a palindrome (325353353523).

The spelling of 121341210402 in words is "one hundred twenty-one billion, three hundred forty-one million, two hundred ten thousand, four hundred two".