1954130012 has 48 divisors (see below), whose sum is σ = 3802444800. Its totient is φ = 874903680.

The previous prime is 1954129949. The next prime is 1954130021. The reversal of 1954130012 is 2100314591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91664 + ... + 110952.

It is an arithmetic number, because the mean of its divisors is an integer number (79217600).

Almost surely, 2^1954130012 is an apocalyptic number.

It is an amenable number.

1954130012 is a deficient number, since it is larger than the sum of its proper divisors (1848314788).

1954130012 is a wasteful number, since it uses less digits than its factorization.

1954130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19386 (or 19384 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1954130012 is about 44205.5427746340. The cubic root of 1954130012 is about 1250.2143657957.

The spelling of 1954130012 in words is "one billion, nine hundred fifty-four million, one hundred thirty thousand, twelve".