1224889013072 has 40 divisors (see below), whose sum is σ = 2382912483840. Its totient is φ = 609948955520.

The previous prime is 1224889013071. The next prime is 1224889013137. The reversal of 1224889013072 is 2703109884221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224889013071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3696122 + ... + 4013862.

It is an arithmetic number, because the mean of its divisors is an integer number (59572812096).

Almost surely, 2^{1224889013072} is an apocalyptic number.

It is an amenable number.

1224889013072 is a deficient number, since it is larger than the sum of its proper divisors (1158023470768).

1224889013072 is a wasteful number, since it uses less digits than its factorization.

1224889013072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318731 (or 318725 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 1224889013072 in words is "one trillion, two hundred twenty-four billion, eight hundred eighty-nine million, thirteen thousand, seventy-two".