121277471802 has 16 divisors (see below), whose sum is σ = 244007370432. Its totient is φ = 40183752800.

The previous prime is 121277471753. The next prime is 121277471807. The reversal of 121277471802 is 208174772121.

It is not an unprimeable number, because it can be changed into a prime (121277471807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60516699 + ... + 60518702.

It is an arithmetic number, because the mean of its divisors is an integer number (15250460652).

Almost surely, 2^121277471802 is an apocalyptic number.

121277471802 is an abundant number, since it is smaller than the sum of its proper divisors (122729898630).

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

121277471802 is a wasteful number, since it uses less digits than its factorization.

121277471802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121035573.

The product of its (nonzero) digits is 87808, while the sum is 42.

The spelling of 121277471802 in words is "one hundred twenty-one billion, two hundred seventy-seven million, four hundred seventy-one thousand, eight hundred two".