212140310 has 16 divisors (see below), whose sum is σ = 388113552. Its totient is φ = 83464800.

The previous prime is 212140309. The next prime is 212140337. The reversal of 212140310 is 13041212.

It is a super-2 number, since 2×212140310² = 90007022253792200, which contains 22 as substring.

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, 173276 + ... + 174495.

It is an arithmetic number, because the mean of its divisors is an integer number (24257097).

Almost surely, 2^212140310 is an apocalyptic number.

212140310 is a deficient number, since it is larger than the sum of its proper divisors (175973242).

212140310 is a wasteful number, since it uses less digits than its factorization.

212140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347839.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212140310 is about 14565.0372467770. The cubic root of 212140310 is about 596.4047125066.

Adding to 212140310 its reverse (13041212), we get a palindrome (225181522).

The spelling of 212140310 in words is "two hundred twelve million, one hundred forty thousand, three hundred ten".