212196642 has 16 divisors (see below), whose sum is σ = 485020992. Its totient is φ = 60627600.

The previous prime is 212196641. The next prime is 212196659. The reversal of 212196642 is 246691212.

212196642 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212196641) 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, 2526109 + ... + 2526192.

It is an arithmetic number, because the mean of its divisors is an integer number (30313812).

Almost surely, 2^212196642 is an apocalyptic number.

212196642 is an abundant number, since it is smaller than the sum of its proper divisors (272824350).

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

212196642 is a wasteful number, since it uses less digits than its factorization.

212196642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052313.

The product of its digits is 10368, while the sum is 33.

The square root of 212196642 is about 14566.9709274097. The cubic root of 212196642 is about 596.4574978494.

The spelling of 212196642 in words is "two hundred twelve million, one hundred ninety-six thousand, six hundred forty-two".