401232212 has 6 divisors (see below), whose sum is σ = 702156378. Its totient is φ = 200616104.

The previous prime is 401232199. The next prime is 401232239. The reversal of 401232212 is 212232104.

It can be written as a sum of positive squares in only one way, i.e., 395452996 + 5779216 = 19886^2 + 2404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50154023 + ... + 50154030.

It is an arithmetic number, because the mean of its divisors is an integer number (117026063).

Almost surely, 2^401232212 is an apocalyptic number.

It is an amenable number.

401232212 is a deficient number, since it is larger than the sum of its proper divisors (300924166).

401232212 is a wasteful number, since it uses less digits than its factorization.

401232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100308057 (or 100308055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 401232212 is about 20030.7816123086. The cubic root of 401232212 is about 737.5621087979.

Adding to 401232212 its reverse (212232104), we get a palindrome (613464316).

The spelling of 401232212 in words is "four hundred one million, two hundred thirty-two thousand, two hundred twelve".