102012200202220 has 144 divisors (see below), whose sum is σ = 272533845780000. Its totient is φ = 31716717312000.

The previous prime is 102012200202179. The next prime is 102012200202221. The reversal of 102012200202220 is 22202002210201.

It is a junction number, because it is equal to n+sod(n) for n = 102012200202194 and 102012200202203.

It is not an unprimeable number, because it can be changed into a prime (102012200202221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7476595 + ... + 16122154.

It is an arithmetic number, because the mean of its divisors is an integer number (1892596151250).

Almost surely, 2^{102012200202220} is an apocalyptic number.

102012200202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012200202220 is an abundant number, since it is smaller than the sum of its proper divisors (170521645577780).

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

102012200202220 is a wasteful number, since it uses less digits than its factorization.

102012200202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23599184 (or 23599175 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102012200202220 its reverse (22202002210201), we get a palindrome (124214202412421).

The spelling of 102012200202220 in words is "one hundred two trillion, twelve billion, two hundred million, two hundred two thousand, two hundred twenty".