2125445212 has 24 divisors (see below), whose sum is σ = 4097851632. Its totient is φ = 956544000.

The previous prime is 2125445209. The next prime is 2125445227.

It is a happy number.

2125445212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234693 + ... + 243580.

It is an arithmetic number, because the mean of its divisors is an integer number (170743818).

Almost surely, 2^2125445212 is an apocalyptic number.

2125445212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2125445212 is a deficient number, since it is larger than the sum of its proper divisors (1972406420).

2125445212 is a wasteful number, since it uses less digits than its factorization.

2125445212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478389 (or 478387 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 2125445212 is about 46102.5510357073. The cubic root of 2125445212 is about 1285.7305745826.

It can be divided in two parts, 21254 and 45212, that added together give a palindrome (66466).

The spelling of 2125445212 in words is "two billion, one hundred twenty-five million, four hundred forty-five thousand, two hundred twelve".