122806951280 has 40 divisors (see below), whose sum is σ = 307489715232. Its totient is φ = 45344104704.

The previous prime is 122806951243. The next prime is 122806951283. The reversal of 122806951280 is 82159608221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122806951283) 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, 59040764 + ... + 59042843.

Almost surely, 2^122806951280 is an apocalyptic number.

122806951280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122806951280 is an abundant number, since it is smaller than the sum of its proper divisors (184682763952).

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

122806951280 is a wasteful number, since it uses less digits than its factorization.

122806951280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118083633 (or 118083627 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 122806951280 in words is "one hundred twenty-two billion, eight hundred six million, nine hundred fifty-one thousand, two hundred eighty".