102220001022212 has 6 divisors (see below), whose sum is σ = 178885001788878. Its totient is φ = 51110000511104.

The previous prime is 102220001022197. The next prime is 102220001022229. The reversal of 102220001022212 is 212220100022201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 79553127593536 + 22666873428676 = 8919256^2 + 4760974^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777500127773 + ... + 12777500127780.

It is an arithmetic number, because the mean of its divisors is an integer number (29814166964813).

Almost surely, 2^{102220001022212} is an apocalyptic number.

It is an amenable number.

102220001022212 is a deficient number, since it is larger than the sum of its proper divisors (76665000766666).

102220001022212 is a wasteful number, since it uses less digits than its factorization.

102220001022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25555000255557 (or 25555000255555 counting only the distinct ones).

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

Adding to 102220001022212 its reverse (212220100022201), we get a palindrome (314440101044413).

The spelling of 102220001022212 in words is "one hundred two trillion, two hundred twenty billion, one million, twenty-two thousand, two hundred twelve".