2126545212 has 48 divisors (see below), whose sum is σ = 5416975872. Its totient is φ = 643937280.

The previous prime is 2126545159. The next prime is 2126545229. The reversal of 2126545212 is 2125456212.

It is a self number, because there is not a number n which added to its sum of digits gives 2126545212.

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, 203868 + ... + 214044.

It is an arithmetic number, because the mean of its divisors is an integer number (112853664).

Almost surely, 2^2126545212 is an apocalyptic number.

2126545212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2126545212 is an abundant number, since it is smaller than the sum of its proper divisors (3290430660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126545212 is a wasteful number, since it uses less digits than its factorization.

2126545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778 (or 11776 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2126545212 is about 46114.4794180743. The cubic root of 2126545212 is about 1285.9523414087.

The spelling of 2126545212 in words is "two billion, one hundred twenty-six million, five hundred forty-five thousand, two hundred twelve".