12252021093 has 16 divisors (see below), whose sum is σ = 19547384640. Its totient is φ = 7539705072.

The previous prime is 12252021079. The next prime is 12252021101. The reversal of 12252021093 is 39012025221.

It is a happy number.

12252021093 is a `hidden beast` number, since 122 + 520 + 2 + 10 + 9 + 3 = 666.

It is not a de Polignac number, because 12252021093 - 2⁶ = 12252021029 is a prime.

It is a super-2 number, since 2×12252021093² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252021043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17452671 + ... + 17453372.

It is an arithmetic number, because the mean of its divisors is an integer number (1221711540).

Almost surely, 2^12252021093 is an apocalyptic number.

12252021093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12252021093 is a deficient number, since it is larger than the sum of its proper divisors (7295363547).

12252021093 is a wasteful number, since it uses less digits than its factorization.

12252021093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34906065 (or 34906059 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 12252021093 in words is "twelve billion, two hundred fifty-two million, twenty-one thousand, ninety-three".