12101071028 has 24 divisors (see below), whose sum is σ = 21350513184. Its totient is φ = 6000976800.

The previous prime is 12101071009. The next prime is 12101071039. The reversal of 12101071028 is 82017010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101070994 and 12101071012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111226 + ... + 1122062.

It is an arithmetic number, because the mean of its divisors is an integer number (889604716).

Almost surely, 2^12101071028 is an apocalyptic number.

It is an amenable number.

12101071028 is a deficient number, since it is larger than the sum of its proper divisors (9249442156).

12101071028 is a wasteful number, since it uses less digits than its factorization.

12101071028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103 (or 13101 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 12101071028 its reverse (82017010121), we get a palindrome (94118081149).

The spelling of 12101071028 in words is "twelve billion, one hundred one million, seventy-one thousand, twenty-eight".