100122012010 has 32 divisors (see below), whose sum is σ = 180766976832. Its totient is φ = 39927327360.

The previous prime is 100122011981. The next prime is 100122012019. The reversal of 100122012010 is 10210221001.

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 (100122012019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5562325 + ... + 5580295.

It is an arithmetic number, because the mean of its divisors is an integer number (5648968026).

Almost surely, 2^100122012010 is an apocalyptic number.

100122012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100122012010 is a deficient number, since it is larger than the sum of its proper divisors (80644964822).

100122012010 is a wasteful number, since it uses less digits than its factorization.

100122012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19638.

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

Adding to 100122012010 its reverse (10210221001), we get a palindrome (110332233011).

The spelling of 100122012010 in words is "one hundred billion, one hundred twenty-two million, twelve thousand, ten".