1005415513212 has 48 divisors (see below), whose sum is σ = 2559298234752. Its totient is φ = 304664374080.

The previous prime is 1005415513133. The next prime is 1005415513217. The reversal of 1005415513212 is 2123155145001.

It is a self number, because there is not a number n which added to its sum of digits gives 1005415513212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005415513217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10827003 + ... + 10919469.

It is an arithmetic number, because the mean of its divisors is an integer number (53318713224).

Almost surely, 2^{1005415513212} is an apocalyptic number.

1005415513212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005415513212 is an abundant number, since it is smaller than the sum of its proper divisors (1553882721540).

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

1005415513212 is a wasteful number, since it uses less digits than its factorization.

1005415513212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174858 (or 174856 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1005415513212 in words is "one trillion, five billion, four hundred fifteen million, five hundred thirteen thousand, two hundred twelve".