102001222012 has 6 divisors (see below), whose sum is σ = 178502138528. Its totient is φ = 51000611004.

The previous prime is 102001221967. The next prime is 102001222111. The reversal of 102001222012 is 210222100201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102001221983 and 102001222001.

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, 12750152748 + ... + 12750152755.

Almost surely, 2^102001222012 is an apocalyptic number.

It is an amenable number.

102001222012 is a deficient number, since it is larger than the sum of its proper divisors (76500916516).

102001222012 is a wasteful number, since it uses less digits than its factorization.

102001222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500305507 (or 25500305505 counting only the distinct ones).

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

Adding to 102001222012 its reverse (210222100201), we get a palindrome (312223322213).

The spelling of 102001222012 in words is "one hundred two billion, one million, two hundred twenty-two thousand, twelve".