10012122001000 has 128 divisors (see below), whose sum is σ = 28350291340800. Its totient is φ = 3230802355200.

The previous prime is 10012122000973. The next prime is 10012122001009. The reversal of 10012122001000 is 10022121001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10012122001009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41948740 + ... + 42186739.

It is an arithmetic number, because the mean of its divisors is an integer number (221486651100).

Almost surely, 2^{10012122001000} is an apocalyptic number.

10012122001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012122001000 is an abundant number, since it is smaller than the sum of its proper divisors (18338169339800).

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

10012122001000 is a wasteful number, since it uses less digits than its factorization.

10012122001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84135524 (or 84135510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10012122001000 its reverse (10022121001), we get a palindrome (10022144122001).

The spelling of 10012122001000 in words is "ten trillion, twelve billion, one hundred twenty-two million, one thousand".