120000102121012 has 6 divisors (see below), whose sum is σ = 210000178711778. Its totient is φ = 60000051060504.

The previous prime is 120000102121001. The next prime is 120000102121021. The reversal of 120000102121012 is 210121201000021.

It can be written as a sum of positive squares in only one way, i.e., 79675011279396 + 40325090841616 = 8926086^2 + 6350204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120000102120983 and 120000102121001.

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, 15000012765123 + ... + 15000012765130.

Almost surely, 2^{120000102121012} is an apocalyptic number.

It is an amenable number.

120000102121012 is a deficient number, since it is larger than the sum of its proper divisors (90000076590766).

120000102121012 is a wasteful number, since it uses less digits than its factorization.

120000102121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000025530257 (or 30000025530255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120000102121012 its reverse (210121201000021), we get a palindrome (330121303121033).

The spelling of 120000102121012 in words is "one hundred twenty trillion, one hundred two million, one hundred twenty-one thousand, twelve".