223021331012 has 6 divisors (see below), whose sum is σ = 390287329278. Its totient is φ = 111510665504.

The previous prime is 223021331003. The next prime is 223021331047. The reversal of 223021331012 is 210133120322.

It can be written as a sum of positive squares in only one way, i.e., 184379207236 + 38642123776 = 429394^2 + 196576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877666373 + ... + 27877666380.

It is an arithmetic number, because the mean of its divisors is an integer number (65047888213).

Almost surely, 2^223021331012 is an apocalyptic number.

It is an amenable number.

223021331012 is a deficient number, since it is larger than the sum of its proper divisors (167265998266).

223021331012 is a wasteful number, since it uses less digits than its factorization.

223021331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55755332757 (or 55755332755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223021331012 its reverse (210133120322), we get a palindrome (433154451334).

The spelling of 223021331012 in words is "two hundred twenty-three billion, twenty-one million, three hundred thirty-one thousand, twelve".