1234472159720 has 64 divisors (see below), whose sum is σ = 2834909625600. Its totient is φ = 483661543680.

The previous prime is 1234472159719. The next prime is 1234472159729. The reversal of 1234472159720 is 279512744321.

It is a super-2 number, since 2×1234472159720² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1234472159729) 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, 475274 + ... + 1641593.

It is an arithmetic number, because the mean of its divisors is an integer number (44295462900).

Almost surely, 2^{1234472159720} is an apocalyptic number.

1234472159720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234472159720 is an abundant number, since it is smaller than the sum of its proper divisors (1600437465880).

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

1234472159720 is a wasteful number, since it uses less digits than its factorization.

1234472159720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117178 (or 2117174 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1234472159720 in words is "one trillion, two hundred thirty-four billion, four hundred seventy-two million, one hundred fifty-nine thousand, seven hundred twenty".