122100310231400 has 48 divisors (see below), whose sum is σ = 284790196581900. Its totient is φ = 48684085332480.

The previous prime is 122100310231399. The next prime is 122100310231429. The reversal of 122100310231400 is 4132013001221.

It can be written as a sum of positive squares in 6 ways, for example, as 4665072974884 + 117435237256516 = 2159878^2 + 10836754^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 975179495 + ... + 975304694.

Almost surely, 2^{122100310231400} is an apocalyptic number.

122100310231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100310231400 is an abundant number, since it is smaller than the sum of its proper divisors (162689886350500).

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

122100310231400 is a wasteful number, since it uses less digits than its factorization.

122100310231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950484518 (or 1950484509 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122100310231400 its reverse (4132013001221), we get a palindrome (126232323232621).

The spelling of 122100310231400 in words is "one hundred twenty-two trillion, one hundred billion, three hundred ten million, two hundred thirty-one thousand, four hundred".