1279231483200 has 672 divisors, whose sum is σ = 4845163223040. Its totient is φ = 292228300800.

The previous prime is 1279231483199. The next prime is 1279231483213. The reversal of 1279231483200 is 23841329721.

It is a super-2 number, since 2×1279231483200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 193614297 + ... + 193620903.

It is an arithmetic number, because the mean of its divisors is an integer number (7210064320).

Almost surely, 2^{1279231483200} is an apocalyptic number.

1279231483200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1279231483200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422581611520).

1279231483200 is an abundant number, since it is smaller than the sum of its proper divisors (3565931739840).

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

1279231483200 is a wasteful number, since it uses less digits than its factorization.

1279231483200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855 (or 6840 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 1279231483200 in words is "one trillion, two hundred seventy-nine billion, two hundred thirty-one million, four hundred eighty-three thousand, two hundred".