2154650212 has 96 divisors (see below), whose sum is σ = 4651315200. Its totient is φ = 859351680.

The previous prime is 2154650191. The next prime is 2154650249. The reversal of 2154650212 is 2120564512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2617633 + ... + 2618455.

It is an arithmetic number, because the mean of its divisors is an integer number (48451200).

Almost surely, 2^2154650212 is an apocalyptic number.

2154650212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2154650212 is an abundant number, since it is smaller than the sum of its proper divisors (2496664988).

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

2154650212 is a wasteful number, since it uses less digits than its factorization.

2154650212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2154650212 is about 46418.2099180914. The cubic root of 2154650212 is about 1291.5927309207.

The spelling of 2154650212 in words is "two billion, one hundred fifty-four million, six hundred fifty thousand, two hundred twelve".