102012100026 has 16 divisors (see below), whose sum is σ = 204353810400. Its totient is φ = 33949098288.

The previous prime is 102012099953. The next prime is 102012100027. The reversal of 102012100026 is 620001210201.

It is a junction number, because it is equal to n+sod(n) for n = 102012099978 and 102012100014.

It is not an unprimeable number, because it can be changed into a prime (102012100027) 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 7 ways as a sum of consecutive naturals, for example, 13729741 + ... + 13737168.

It is an arithmetic number, because the mean of its divisors is an integer number (12772113150).

Almost surely, 2^102012100026 is an apocalyptic number.

102012100026 is an abundant number, since it is smaller than the sum of its proper divisors (102341710374).

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

102012100026 is a wasteful number, since it uses less digits than its factorization.

102012100026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27467533.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102012100026 its reverse (620001210201), we get a palindrome (722013310227).

The spelling of 102012100026 in words is "one hundred two billion, twelve million, one hundred thousand, twenty-six".