1279253224100 has 36 divisors (see below), whose sum is σ = 2786534608704. Its totient is φ = 509755646880.

The previous prime is 1279253224091. The next prime is 1279253224103. The reversal of 1279253224100 is 14223529721.

It is a super-2 number, since 2×1279253224100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1279253224103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24294104 + ... + 24346703.

Almost surely, 2^{1279253224100} is an apocalyptic number.

1279253224100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1279253224100 is an abundant number, since it is smaller than the sum of its proper divisors (1507281384604).

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

1279253224100 is a wasteful number, since it uses less digits than its factorization.

1279253224100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641084 (or 48641077 counting only the distinct ones).

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

The spelling of 1279253224100 in words is "one trillion, two hundred seventy-nine billion, two hundred fifty-three million, two hundred twenty-four thousand, one hundred".