12028696690 has 8 divisors (see below), whose sum is σ = 21651654060. Its totient is φ = 4811478672.

The previous prime is 12028696661. The next prime is 12028696711. The reversal of 12028696690 is 9669682021.

It can be written as a sum of positive squares in 2 ways, for example, as 11314364161 + 714332529 = 106369^2 + 26727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12028696690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601434825 + ... + 601434844.

Almost surely, 2^12028696690 is an apocalyptic number.

12028696690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12028696690 is a deficient number, since it is larger than the sum of its proper divisors (9622957370).

12028696690 is a wasteful number, since it uses less digits than its factorization.

12028696690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202869676.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 12028696690 in words is "twelve billion, twenty-eight million, six hundred ninety-six thousand, six hundred ninety".