102012100210 has 64 divisors (see below), whose sum is σ = 191027579904. Its totient is φ = 39180960000.

The previous prime is 102012100207. The next prime is 102012100213. The reversal of 102012100210 is 12001210201.

It is an interprime number because it is at equal distance from previous prime (102012100207) and next prime (102012100213).

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 (102012100213) 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, 21551004 + ... + 21555736.

It is an arithmetic number, because the mean of its divisors is an integer number (2984805936).

Almost surely, 2^102012100210 is an apocalyptic number.

102012100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012100210 is a deficient number, since it is larger than the sum of its proper divisors (89015479694).

102012100210 is a wasteful number, since it uses less digits than its factorization.

102012100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299.

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

Adding to 102012100210 its reverse (12001210201), we get a palindrome (114013310411).

The spelling of 102012100210 in words is "one hundred two billion, twelve million, one hundred thousand, two hundred ten".