102120111002012 has 6 divisors (see below), whose sum is σ = 178710194253528. Its totient is φ = 51060055501004.

The previous prime is 102120111001981. The next prime is 102120111002083. The reversal of 102120111002012 is 210200111021201.

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, 12765013875248 + ... + 12765013875255.

It is an arithmetic number, because the mean of its divisors is an integer number (29785032375588).

Almost surely, 2^{102120111002012} is an apocalyptic number.

It is an amenable number.

102120111002012 is a deficient number, since it is larger than the sum of its proper divisors (76590083251516).

102120111002012 is a wasteful number, since it uses less digits than its factorization.

102120111002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530027750507 (or 25530027750505 counting only the distinct ones).

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

Adding to 102120111002012 its reverse (210200111021201), we get a palindrome (312320222023213).

The spelling of 102120111002012 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, two thousand, twelve".