12272469500 has 24 divisors (see below), whose sum is σ = 26803074480. Its totient is φ = 4908987600.

The previous prime is 12272469479. The next prime is 12272469527. The reversal of 12272469500 is 596427221.

It is a super-2 number, since 2×12272469500² (a number of 21 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, 12271970 + ... + 12272969.

It is an arithmetic number, because the mean of its divisors is an integer number (1116794770).

Almost surely, 2^12272469500 is an apocalyptic number.

12272469500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12272469500 is an abundant number, since it is smaller than the sum of its proper divisors (14530604980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12272469500 is a wasteful number, since it uses less digits than its factorization.

12272469500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24544958 (or 24544946 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12272469500 in words is "twelve billion, two hundred seventy-two million, four hundred sixty-nine thousand, five hundred".