102220001222212 has 6 divisors (see below), whose sum is σ = 178885002138878. Its totient is φ = 51110000611104.

The previous prime is 102220001222203. The next prime is 102220001222233. The reversal of 102220001222212 is 212222100022201.

It can be written as a sum of positive squares in only one way, i.e., 59411167442496 + 42808833779716 = 7707864^2 + 6542846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102220001222212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777500152773 + ... + 12777500152780.

Almost surely, 2^{102220001222212} is an apocalyptic number.

It is an amenable number.

102220001222212 is a deficient number, since it is larger than the sum of its proper divisors (76665000916666).

102220001222212 is a wasteful number, since it uses less digits than its factorization.

102220001222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555000305557 (or 25555000305555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102220001222212 its reverse (212222100022201), we get a palindrome (314442101244413).

The spelling of 102220001222212 in words is "one hundred two trillion, two hundred twenty billion, one million, two hundred twenty-two thousand, two hundred twelve".