2125051213 has 8 divisors (see below), whose sum is σ = 2224536768. Its totient is φ = 2026156704.

The previous prime is 2125051207. The next prime is 2125051231. The reversal of 2125051213 is 3121505212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125051213 - 2⁹ = 2125050701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125051273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140395 + ... + 154792.

It is an arithmetic number, because the mean of its divisors is an integer number (278067096).

Almost surely, 2^2125051213 is an apocalyptic number.

2125051213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2125051213 is a deficient number, since it is larger than the sum of its proper divisors (99485555).

2125051213 is a wasteful number, since it uses less digits than its factorization.

2125051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295523.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2125051213 is about 46098.2777660945. The cubic root of 2125051213 is about 1285.6511233280.

Adding to 2125051213 its reverse (3121505212), we get a palindrome (5246556425).

The spelling of 2125051213 in words is "two billion, one hundred twenty-five million, fifty-one thousand, two hundred thirteen".