102012021222210 has 224 divisors, whose sum is σ = 300471231734208. Its totient is φ = 24718918469760.

The previous prime is 102012021222191. The next prime is 102012021222211. The reversal of 102012021222210 is 12222120210201.

It is a happy number.

102012021222210 is a `hidden beast` number, since 1 + 0 + 201 + 20 + 212 + 22 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102012021222211) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 176369844 + ... + 176947296.

Almost surely, 2^{102012021222210} is an apocalyptic number.

102012021222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102012021222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150235615867104).

102012021222210 is an abundant number, since it is smaller than the sum of its proper divisors (198459210511998).

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

102012021222210 is a wasteful number, since it uses less digits than its factorization.

102012021222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579692 (or 579677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102012021222210 its reverse (12222120210201), we get a palindrome (114234141432411).

The spelling of 102012021222210 in words is "one hundred two trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred ten".