212952542 has 8 divisors (see below), whose sum is σ = 348467832. Its totient is φ = 96796600.

The previous prime is 212952529. The next prime is 212952563. The reversal of 212952542 is 245259212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212952499 and 212952508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4839809 + ... + 4839852.

It is an arithmetic number, because the mean of its divisors is an integer number (43558479).

Almost surely, 2^212952542 is an apocalyptic number.

212952542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212952542 is a deficient number, since it is larger than the sum of its proper divisors (135515290).

212952542 is a wasteful number, since it uses less digits than its factorization.

212952542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679674.

The product of its digits is 14400, while the sum is 32.

The square root of 212952542 is about 14592.8935444620. The cubic root of 212952542 is about 597.1649044515.

The spelling of 212952542 in words is "two hundred twelve million, nine hundred fifty-two thousand, five hundred forty-two".