1245512023340 has 96 divisors (see below), whose sum is σ = 2914549102080. Its totient is φ = 443925006336.

The previous prime is 1245512023333. The next prime is 1245512023361. The reversal of 1245512023340 is 433202155421.

It is a junction number, because it is equal to n+sod(n) for n = 1245512023297 and 1245512023306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39742757 + ... + 39774083.

It is an arithmetic number, because the mean of its divisors is an integer number (30359886480).

Almost surely, 2^{1245512023340} is an apocalyptic number.

1245512023340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245512023340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457274551040).

1245512023340 is an abundant number, since it is smaller than the sum of its proper divisors (1669037078740).

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

1245512023340 is a wasteful number, since it uses less digits than its factorization.

1245512023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36651 (or 36649 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1245512023340 its reverse (433202155421), we get a palindrome (1678714178761).

The spelling of 1245512023340 in words is "one trillion, two hundred forty-five billion, five hundred twelve million, twenty-three thousand, three hundred forty".