52142212 has 24 divisors (see below), whose sum is σ = 93080960. Its totient is φ = 25552800.

The previous prime is 52142197. The next prime is 52142239. The reversal of 52142212 is 21224125.

It is a self number, because there is not a number n which added to its sum of digits gives 52142212.

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, 49087 + ... + 50137.

Almost surely, 2^52142212 is an apocalyptic number.

It is an amenable number.

52142212 is a deficient number, since it is larger than the sum of its proper divisors (40938748).

52142212 is a wasteful number, since it uses less digits than its factorization.

52142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).

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

The square root of 52142212 is about 7220.9564463442. The cubic root of 52142212 is about 373.5910674240.

Adding to 52142212 its reverse (21224125), we get a palindrome (73366337).

The spelling of 52142212 in words is "fifty-two million, one hundred forty-two thousand, two hundred twelve".