1240534555012 has 6 divisors (see below), whose sum is σ = 2170935471278. Its totient is φ = 620267277504.

The previous prime is 1240534554997. The next prime is 1240534555061. The reversal of 1240534555012 is 2105554350421.

It can be written as a sum of positive squares in only one way, i.e., 1031414923396 + 209119631616 = 1015586^2 + 457296^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155066819373 + ... + 155066819380.

Almost surely, 2^{1240534555012} is an apocalyptic number.

It is an amenable number.

1240534555012 is a deficient number, since it is larger than the sum of its proper divisors (930400916266).

1240534555012 is a wasteful number, since it uses less digits than its factorization.

1240534555012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310133638757 (or 310133638755 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1240534555012 in words is "one trillion, two hundred forty billion, five hundred thirty-four million, five hundred fifty-five thousand, twelve".