121963549602 has 16 divisors (see below), whose sum is σ = 249876541152. Its totient is φ = 39662942880.

The previous prime is 121963549577. The next prime is 121963549649. The reversal of 121963549602 is 206945369121.

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, 247893148 + ... + 247893639.

It is an arithmetic number, because the mean of its divisors is an integer number (15617283822).

Almost surely, 2^121963549602 is an apocalyptic number.

121963549602 is an abundant number, since it is smaller than the sum of its proper divisors (127912991550).

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

121963549602 is a wasteful number, since it uses less digits than its factorization.

121963549602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495786833.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 121963549602 in words is "one hundred twenty-one billion, nine hundred sixty-three million, five hundred forty-nine thousand, six hundred two".