21281677413112 has 32 divisors (see below), whose sum is σ = 40558166700480. Its totient is φ = 10466173791360.

The previous prime is 21281677413083. The next prime is 21281677413203. The reversal of 21281677413112 is 21131477618212.

It is a super-2 number, since 2×21281677413112² (a number of 27 digits) contains 22 as substring.

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, 23518198 + ... + 24406330.

It is an arithmetic number, because the mean of its divisors is an integer number (1267442709390).

Almost surely, 2^{21281677413112} is an apocalyptic number.

It is an amenable number.

21281677413112 is a deficient number, since it is larger than the sum of its proper divisors (19276489287368).

21281677413112 is a wasteful number, since it uses less digits than its factorization.

21281677413112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937303 (or 937299 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The spelling of 21281677413112 in words is "twenty-one trillion, two hundred eighty-one billion, six hundred seventy-seven million, four hundred thirteen thousand, one hundred twelve".