212250142 has 24 divisors (see below), whose sum is σ = 346146696. Its totient is φ = 97564896.

The previous prime is 212250139. The next prime is 212250161. The reversal of 212250142 is 241052212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92493 + ... + 94759.

It is an arithmetic number, because the mean of its divisors is an integer number (14422779).

Almost surely, 2^212250142 is an apocalyptic number.

212250142 is a deficient number, since it is larger than the sum of its proper divisors (133896554).

212250142 is a wasteful number, since it uses less digits than its factorization.

212250142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 212250142 is about 14568.8071577600. The cubic root of 212250142 is about 596.5076208460.

The spelling of 212250142 in words is "two hundred twelve million, two hundred fifty thousand, one hundred forty-two".