121325127210 has 64 divisors (see below), whose sum is σ = 369752774400. Its totient is φ = 27731457216.

The previous prime is 121325127197. The next prime is 121325127223. The reversal of 121325127210 is 12721523121.

It is a happy number.

121325127210 is a `hidden beast` number, since 1 + 2 + 1 + 325 + 127 + 210 = 666.

It is an interprime number because it is at equal distance from previous prime (121325127197) and next prime (121325127223).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32094705 + ... + 32098484.

It is an arithmetic number, because the mean of its divisors is an integer number (5777387100).

Almost surely, 2^121325127210 is an apocalyptic number.

121325127210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121325127210 is an abundant number, since it is smaller than the sum of its proper divisors (248427647190).

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

121325127210 is a wasteful number, since it uses less digits than its factorization.

121325127210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64193212 (or 64193206 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The spelling of 121325127210 in words is "one hundred twenty-one billion, three hundred twenty-five million, one hundred twenty-seven thousand, two hundred ten".