121341452502 has 32 divisors (see below), whose sum is σ = 249716920320. Its totient is φ = 39283663680.

The previous prime is 121341452489. The next prime is 121341452509. The reversal of 121341452502 is 205254143121.

It is a self number, because there is not a number n which added to its sum of digits gives 121341452502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341452509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051102 + ... + 1160817.

It is an arithmetic number, because the mean of its divisors is an integer number (7803653760).

Almost surely, 2^121341452502 is an apocalyptic number.

121341452502 is an abundant number, since it is smaller than the sum of its proper divisors (128375467818).

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

121341452502 is a wasteful number, since it uses less digits than its factorization.

121341452502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212188.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 121341452502 its reverse (205254143121), we get a palindrome (326595595623).

The spelling of 121341452502 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred fifty-two thousand, five hundred two".