1245402112224 has 96 divisors (see below), whose sum is σ = 3282550064640. Its totient is φ = 413437240832.

The previous prime is 1245402112223. The next prime is 1245402112231. The reversal of 1245402112224 is 4222112045421.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1245402112224² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1245402112191 and 1245402112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245402112223) 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, 160548154 + ... + 160555910.

It is an arithmetic number, because the mean of its divisors is an integer number (34193229840).

Almost surely, 2^{1245402112224} is an apocalyptic number.

It is an amenable number.

1245402112224 is an abundant number, since it is smaller than the sum of its proper divisors (2037147952416).

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

1245402112224 is a wasteful number, since it uses less digits than its factorization.

1245402112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14392 (or 14384 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1245402112224 its reverse (4222112045421), we get a palindrome (5467514157645).

The spelling of 1245402112224 in words is "one trillion, two hundred forty-five billion, four hundred two million, one hundred twelve thousand, two hundred twenty-four".