102222012012200 has 48 divisors (see below), whose sum is σ = 237670324537500. Its totient is φ = 40888091409920.

The previous prime is 102222012012157. The next prime is 102222012012223. The reversal of 102222012012200 is 2210210222201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1277673036964 + 100944338975236 = 1130342^2 + 10047106^2 .

It is a super-2 number, since 2×102222012012200² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7107926 + ... + 15967674.

Almost surely, 2^{102222012012200} is an apocalyptic number.

102222012012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222012012200 is an abundant number, since it is smaller than the sum of its proper divisors (135448312525300).

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

102222012012200 is a wasteful number, since it uses less digits than its factorization.

102222012012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917454 (or 8917445 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102222012012200 its reverse (2210210222201), we get a palindrome (104432222234401).

The spelling of 102222012012200 in words is "one hundred two trillion, two hundred twenty-two billion, twelve million, twelve thousand, two hundred".