234140642212 has 6 divisors (see below), whose sum is σ = 409746123878. Its totient is φ = 117070321104.

The previous prime is 234140642209. The next prime is 234140642213. The reversal of 234140642212 is 212246041432.

It can be written as a sum of positive squares in only one way, i.e., 120925889536 + 113214752676 = 347744^2 + 336474^2 .

It is not an unprimeable number, because it can be changed into a prime (234140642213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29267580273 + ... + 29267580280.

Almost surely, 2^234140642212 is an apocalyptic number.

It is an amenable number.

234140642212 is a deficient number, since it is larger than the sum of its proper divisors (175605481666).

234140642212 is a wasteful number, since it uses less digits than its factorization.

234140642212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58535160557 (or 58535160555 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 234140642212 its reverse (212246041432), we get a palindrome (446386683644).

The spelling of 234140642212 in words is "two hundred thirty-four billion, one hundred forty million, six hundred forty-two thousand, two hundred twelve".