122402321032100 has 144 divisors (see below), whose sum is σ = 282097667250000. Its totient is φ = 45939959070720.

The previous prime is 122402321032091. The next prime is 122402321032111. The reversal of 122402321032100 is 1230123204221.

It can be written as a sum of positive squares in 24 ways, for example, as 16436667374656 + 105965653657444 = 4054216^2 + 10293962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3626826026 + ... + 3626859774.

It is an arithmetic number, because the mean of its divisors is an integer number (1959011578125).

Almost surely, 2^{122402321032100} is an apocalyptic number.

122402321032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122402321032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141048833625000).

122402321032100 is an abundant number, since it is smaller than the sum of its proper divisors (159695346217900).

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

122402321032100 is a wasteful number, since it uses less digits than its factorization.

122402321032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40242 (or 40235 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122402321032100 its reverse (1230123204221), we get a palindrome (123632444236321).

The spelling of 122402321032100 in words is "one hundred twenty-two trillion, four hundred two billion, three hundred twenty-one million, thirty-two thousand, one hundred".