102121102010012 has 6 divisors (see below), whose sum is σ = 178711928517528. Its totient is φ = 51060551005004.

The previous prime is 102121102009943. The next prime is 102121102010023. The reversal of 102121102010012 is 210010201121201.

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, 12765137751248 + ... + 12765137751255.

It is an arithmetic number, because the mean of its divisors is an integer number (29785321419588).

Almost surely, 2^{102121102010012} is an apocalyptic number.

It is an amenable number.

102121102010012 is a deficient number, since it is larger than the sum of its proper divisors (76590826507516).

102121102010012 is a wasteful number, since it uses less digits than its factorization.

102121102010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530275502507 (or 25530275502505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102121102010012 its reverse (210010201121201), we get a palindrome (312131303131213).

The spelling of 102121102010012 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred two million, ten thousand, twelve".