1227901112284 has 24 divisors (see below), whose sum is σ = 2679056972928. Its totient is φ = 478403030640.

The previous prime is 1227901112233. The next prime is 1227901112299. The reversal of 1227901112284 is 4822111097221.

It is a happy number.

It is a super-2 number, since 2×1227901112284² (a number of 25 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, 1993345654 + ... + 1993346269.

It is an arithmetic number, because the mean of its divisors is an integer number (111627373872).

Almost surely, 2^{1227901112284} is an apocalyptic number.

1227901112284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1227901112284 is an abundant number, since it is smaller than the sum of its proper divisors (1451155860644).

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

1227901112284 is a wasteful number, since it uses less digits than its factorization.

1227901112284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986691945 (or 3986691943 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 1227901112284 in words is "one trillion, two hundred twenty-seven billion, nine hundred one million, one hundred twelve thousand, two hundred eighty-four".