1213551000473 has 8 divisors (see below), whose sum is σ = 1468498689792. Its totient is φ = 978999126336.

The previous prime is 1213551000469. The next prime is 1213551000533. The reversal of 1213551000473 is 3740001553121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213551000473 - 2² = 1213551000469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213551000413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5098953665 + ... + 5098953902.

It is an arithmetic number, because the mean of its divisors is an integer number (183562336224).

Almost surely, 2^{1213551000473} is an apocalyptic number.

It is an amenable number.

1213551000473 is a deficient number, since it is larger than the sum of its proper divisors (254947689319).

1213551000473 is a wasteful number, since it uses less digits than its factorization.

1213551000473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197907591.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 1213551000473 its reverse (3740001553121), we get a palindrome (4953552553594).

The spelling of 1213551000473 in words is "one trillion, two hundred thirteen billion, five hundred fifty-one million, four hundred seventy-three", and thus it is an aban number.