122335678890 has 64 divisors (see below), whose sum is σ = 326315329920. Its totient is φ = 32614162560.

The previous prime is 122335678889. The next prime is 122335678931. The reversal of 122335678890 is 98876533221.

122335678890 is a `hidden beast` number, since 122 + 3 + 356 + 7 + 88 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 989497 + ... + 1106243.

It is an arithmetic number, because the mean of its divisors is an integer number (5098677030).

Almost surely, 2^122335678890 is an apocalyptic number.

122335678890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122335678890 is an abundant number, since it is smaller than the sum of its proper divisors (203979651030).

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

122335678890 is a wasteful number, since it uses less digits than its factorization.

122335678890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120644 (or 120638 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 122335678890 in words is "one hundred twenty-two billion, three hundred thirty-five million, six hundred seventy-eight thousand, eight hundred ninety".