1340451044012 has 24 divisors (see below), whose sum is σ = 2469405246000. Its totient is φ = 634911068736.

The previous prime is 1340451043961. The next prime is 1340451044041. The reversal of 1340451044012 is 2104401540431.

It is a super-2 number, since 2×1340451044012² (a number of 25 digits) contains 22 as substring.

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, 703118 + ... + 1781930.

It is an arithmetic number, because the mean of its divisors is an integer number (102891885250).

Almost surely, 2^{1340451044012} is an apocalyptic number.

It is an amenable number.

1340451044012 is a deficient number, since it is larger than the sum of its proper divisors (1128954201988).

1340451044012 is a wasteful number, since it uses less digits than its factorization.

1340451044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095185 (or 1095183 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1340451044012 its reverse (2104401540431), we get a palindrome (3444852584443).

The spelling of 1340451044012 in words is "one trillion, three hundred forty billion, four hundred fifty-one million, forty-four thousand, twelve".