212140302 has 16 divisors (see below), whose sum is σ = 462851712. Its totient is φ = 64284920.

The previous prime is 212140237. The next prime is 212140303. The reversal of 212140302 is 203041212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212140303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607058 + ... + 1607189.

It is an arithmetic number, because the mean of its divisors is an integer number (28928232).

Almost surely, 2^212140302 is an apocalyptic number.

212140302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212140302 is an abundant number, since it is smaller than the sum of its proper divisors (250711410).

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

212140302 is a wasteful number, since it uses less digits than its factorization.

212140302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214263.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212140302 is about 14565.0369721467. The cubic root of 212140302 is about 596.4047050096.

Adding to 212140302 its reverse (203041212), we get a palindrome (415181514).

The spelling of 212140302 in words is "two hundred twelve million, one hundred forty thousand, three hundred two".