1272522468228 has 96 divisors (see below), whose sum is σ = 3389724011520. Its totient is φ = 367783827840.

The previous prime is 1272522468199. The next prime is 1272522468241. The reversal of 1272522468228 is 8228642252721.

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 31 ways as a sum of consecutive naturals, for example, 449538 + ... + 1657446.

It is an arithmetic number, because the mean of its divisors is an integer number (35309625120).

Almost surely, 2^{1272522468228} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272522468228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1694862005760).

1272522468228 is an abundant number, since it is smaller than the sum of its proper divisors (2117201543292).

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

1272522468228 is a wasteful number, since it uses less digits than its factorization.

1272522468228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208297 (or 1208295 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 51.

The spelling of 1272522468228 in words is "one trillion, two hundred seventy-two billion, five hundred twenty-two million, four hundred sixty-eight thousand, two hundred twenty-eight".