1240512492345 has 16 divisors (see below), whose sum is σ = 2268365700480. Its totient is φ = 567091425024.

The previous prime is 1240512492337. The next prime is 1240512492431. The reversal of 1240512492345 is 5432942150421.

It is not a de Polignac number, because 1240512492345 - 2³ = 1240512492337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240512492297 and 1240512492306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5907202240 + ... + 5907202449.

It is an arithmetic number, because the mean of its divisors is an integer number (141772856280).

Almost surely, 2^{1240512492345} is an apocalyptic number.

1240512492345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240512492345 is a deficient number, since it is larger than the sum of its proper divisors (1027853208135).

1240512492345 is a wasteful number, since it uses less digits than its factorization.

1240512492345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11814404704.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 1240512492345 in words is "one trillion, two hundred forty billion, five hundred twelve million, four hundred ninety-two thousand, three hundred forty-five".