7212383238 has 16 divisors (see below), whose sum is σ = 14427247680. Its totient is φ = 2403714216.

The previous prime is 7212383219. The next prime is 7212383239. The reversal of 7212383238 is 8323832127.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7212383196 and 7212383205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212383239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64468 + ... + 136311.

It is an arithmetic number, because the mean of its divisors is an integer number (901702980).

Almost surely, 2^7212383238 is an apocalyptic number.

7212383238 is an abundant number, since it is smaller than the sum of its proper divisors (7214864442).

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

7212383238 is a wasteful number, since it uses less digits than its factorization.

7212383238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206771.

The product of its digits is 96768, while the sum is 39.

The square root of 7212383238 is about 84925.7513243186. The cubic root of 7212383238 is about 1932.0851615346.

The spelling of 7212383238 in words is "seven billion, two hundred twelve million, three hundred eighty-three thousand, two hundred thirty-eight".