212149002 has 32 divisors (see below), whose sum is σ = 458680320. Its totient is φ = 65027520.

The previous prime is 212148977. The next prime is 212149013. The reversal of 212149002 is 200941212.

It is a self number, because there is not a number n which added to its sum of digits gives 212149002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15927 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (14333760).

Almost surely, 2^212149002 is an apocalyptic number.

212149002 is an abundant number, since it is smaller than the sum of its proper divisors (246531318).

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

212149002 is a wasteful number, since it uses less digits than its factorization.

212149002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 212149002 is about 14565.3356295006. The cubic root of 212149002 is about 596.4128578688.

The spelling of 212149002 in words is "two hundred twelve million, one hundred forty-nine thousand, two".