102220201012 has 6 divisors (see below), whose sum is σ = 178885351778. Its totient is φ = 51110100504.

The previous prime is 102220200991. The next prime is 102220201033. The reversal of 102220201012 is 210102022201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102220200991) and next prime (102220201033).

It can be written as a sum of positive squares in only one way, i.e., 78206359716 + 24013841296 = 279654^2 + 154964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102220200983 and 102220201001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777525123 + ... + 12777525130.

Almost surely, 2^102220201012 is an apocalyptic number.

It is an amenable number.

102220201012 is a deficient number, since it is larger than the sum of its proper divisors (76665150766).

102220201012 is a wasteful number, since it uses less digits than its factorization.

102220201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555050257 (or 25555050255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102220201012 its reverse (210102022201), we get a palindrome (312322223213).

The spelling of 102220201012 in words is "one hundred two billion, two hundred twenty million, two hundred one thousand, twelve".