1243054202432 has 56 divisors (see below), whose sum is σ = 2820420958080. Its totient is φ = 532482094080.

The previous prime is 1243054202413. The next prime is 1243054202473. The reversal of 1243054202432 is 2342024503421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 271757 + ... + 1599987.

Almost surely, 2^{1243054202432} is an apocalyptic number.

It is an amenable number.

1243054202432 is an abundant number, since it is smaller than the sum of its proper divisors (1577366755648).

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

1243054202432 is a wasteful number, since it uses less digits than its factorization.

1243054202432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330339 (or 1330329 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1243054202432 its reverse (2342024503421), we get a palindrome (3585078705853).

The spelling of 1243054202432 in words is "one trillion, two hundred forty-three billion, fifty-four million, two hundred two thousand, four hundred thirty-two".