102220213302212 has 6 divisors (see below), whose sum is σ = 178885373278878. Its totient is φ = 51110106651104.

The previous prime is 102220213302173. The next prime is 102220213302257. The reversal of 102220213302212 is 212203312022201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57375413518336 + 44844799783876 = 7574656^2 + 6696626^2 .

It is a super-2 number, since 2×102220213302212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777526662773 + ... + 12777526662780.

It is an arithmetic number, because the mean of its divisors is an integer number (29814228879813).

Almost surely, 2^{102220213302212} is an apocalyptic number.

It is an amenable number.

102220213302212 is a deficient number, since it is larger than the sum of its proper divisors (76665159976666).

102220213302212 is a wasteful number, since it uses less digits than its factorization.

102220213302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555053325557 (or 25555053325555 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102220213302212 its reverse (212203312022201), we get a palindrome (314423525324413).

The spelling of 102220213302212 in words is "one hundred two trillion, two hundred twenty billion, two hundred thirteen million, three hundred two thousand, two hundred twelve".