1241213288520 has 32 divisors (see below), whose sum is σ = 3723639865920. Its totient is φ = 330990210240.

The previous prime is 1241213288501. The next prime is 1241213288533. The reversal of 1241213288520 is 258823121421.

It is a super-2 number, since 2×1241213288520² (a number of 25 digits) contains 22 as substring.

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, 5171721916 + ... + 5171722155.

It is an arithmetic number, because the mean of its divisors is an integer number (116363745810).

Almost surely, 2^{1241213288520} is an apocalyptic number.

1241213288520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241213288520 is an abundant number, since it is smaller than the sum of its proper divisors (2482426577400).

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

1241213288520 is a wasteful number, since it uses less digits than its factorization.

1241213288520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343444085 (or 10343444081 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 1241213288520 in words is "one trillion, two hundred forty-one billion, two hundred thirteen million, two hundred eighty-eight thousand, five hundred twenty".