102210210222212 has 6 divisors (see below), whose sum is σ = 178867867888878. Its totient is φ = 51105105111104.

The previous prime is 102210210222209. The next prime is 102210210222221. The reversal of 102210210222212 is 212222012012201.

It can be written as a sum of positive squares in only one way, i.e., 53176268346436 + 49033941875776 = 7292206^2 + 7002424^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776276277773 + ... + 12776276277780.

It is an arithmetic number, because the mean of its divisors is an integer number (29811311314813).

Almost surely, 2^{102210210222212} is an apocalyptic number.

It is an amenable number.

102210210222212 is a deficient number, since it is larger than the sum of its proper divisors (76657657666666).

102210210222212 is a wasteful number, since it uses less digits than its factorization.

102210210222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25552552555557 (or 25552552555555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102210210222212 its reverse (212222012012201), we get a palindrome (314432222234413).

The spelling of 102210210222212 in words is "one hundred two trillion, two hundred ten billion, two hundred ten million, two hundred twenty-two thousand, two hundred twelve".