1210013445 has 16 divisors (see below), whose sum is σ = 1936596672. Its totient is φ = 645148800.

The previous prime is 1210013411. The next prime is 1210013489. The reversal of 1210013445 is 5443100121.

It is a de Polignac number, because none of the positive numbers 2^k-1210013445 is a prime.

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, 50809 + ... + 70721.

It is an arithmetic number, because the mean of its divisors is an integer number (121037292).

Almost surely, 2^1210013445 is an apocalyptic number.

1210013445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1210013445 is a deficient number, since it is larger than the sum of its proper divisors (726583227).

1210013445 is a wasteful number, since it uses less digits than its factorization.

1210013445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23972.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1210013445 is about 34785.2475196023. The cubic root of 1210013445 is about 1065.6061835900.

Adding to 1210013445 its reverse (5443100121), we get a palindrome (6653113566).

The spelling of 1210013445 in words is "one billion, two hundred ten million, thirteen thousand, four hundred forty-five".