16102120312 has 32 divisors (see below), whose sum is σ = 31241700000. Its totient is φ = 7771163008.

The previous prime is 16102120303. The next prime is 16102120313. The reversal of 16102120312 is 21302120161.

It is a self number, because there is not a number n which added to its sum of digits gives 16102120312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16102120313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000989 + ... + 1016947.

It is an arithmetic number, because the mean of its divisors is an integer number (976303125).

Almost surely, 2^16102120312 is an apocalyptic number.

It is an amenable number.

16102120312 is a deficient number, since it is larger than the sum of its proper divisors (15139579688).

16102120312 is a wasteful number, since it uses less digits than its factorization.

16102120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20343 (or 20339 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 16102120312 its reverse (21302120161), we get a palindrome (37404240473).

The spelling of 16102120312 in words is "sixteen billion, one hundred two million, one hundred twenty thousand, three hundred twelve".