2122000200138 has 48 divisors (see below), whose sum is σ = 5252085043776. Its totient is φ = 559648402560.

The previous prime is 2122000200137. The next prime is 2122000200139. The reversal of 2122000200138 is 8310020002212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2122000200137) and next prime (2122000200139).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2122000200137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149471643 + ... + 149485838.

It is an arithmetic number, because the mean of its divisors is an integer number (109418438412).

Almost surely, 2^{2122000200138} is an apocalyptic number.

2122000200138 is an abundant number, since it is smaller than the sum of its proper divisors (3130084843638).

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

2122000200138 is a wasteful number, since it uses less digits than its factorization.

2122000200138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298957519 (or 298957506 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The spelling of 2122000200138 in words is "two trillion, one hundred twenty-two billion, two hundred thousand, one hundred thirty-eight".