1227318664260 has 48 divisors (see below), whose sum is σ = 3700837820736. Its totient is φ = 302109209472.

The previous prime is 1227318664259. The next prime is 1227318664267. The reversal of 1227318664260 is 624668137221.

It is a super-2 number, since 2×1227318664260² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1227318664267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786741954 + ... + 786743513.

It is an arithmetic number, because the mean of its divisors is an integer number (77100787932).

Almost surely, 2^{1227318664260} is an apocalyptic number.

1227318664260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1227318664260 is an abundant number, since it is smaller than the sum of its proper divisors (2473519156476).

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

1227318664260 is a wasteful number, since it uses less digits than its factorization.

1227318664260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573485492 (or 1573485490 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 1227318664260 in words is "one trillion, two hundred twenty-seven billion, three hundred eighteen million, six hundred sixty-four thousand, two hundred sixty".