238137012 has 36 divisors (see below), whose sum is σ = 602913220. Its totient is φ = 79252992.

The previous prime is 238136993. The next prime is 238137041. The reversal of 238137012 is 210731832.

It can be written as a sum of positive squares in 2 ways, for example, as 154853136 + 83283876 = 12444^2 + 9126^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 19314 + ... + 29142.

Almost surely, 2^238137012 is an apocalyptic number.

It is an amenable number.

238137012 is an abundant number, since it is smaller than the sum of its proper divisors (364776208).

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

238137012 is a wasteful number, since it uses less digits than its factorization.

238137012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512 (or 10507 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 238137012 is about 15431.6885660643. The cubic root of 238137012 is about 619.8343400626.

Adding to 238137012 its reverse (210731832), we get a palindrome (448868844).

It can be divided in two parts, 2381 and 37012, that added together give a palindrome (39393).

The spelling of 238137012 in words is "two hundred thirty-eight million, one hundred thirty-seven thousand, twelve".