122810947680 has 48 divisors (see below), whose sum is σ = 386854486704. Its totient is φ = 32749585920.

The previous prime is 122810947661. The next prime is 122810947709. The reversal of 122810947680 is 86749018221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 127927591 + ... + 127928550.

It is an arithmetic number, because the mean of its divisors is an integer number (8059468473).

Almost surely, 2^122810947680 is an apocalyptic number.

122810947680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122810947680 is an abundant number, since it is smaller than the sum of its proper divisors (264043539024).

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

122810947680 is a wasteful number, since it uses less digits than its factorization.

122810947680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255856159 (or 255856151 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 122810947680 in words is "one hundred twenty-two billion, eight hundred ten million, nine hundred forty-seven thousand, six hundred eighty".