220223123012 has 6 divisors (see below), whose sum is σ = 385390465278. Its totient is φ = 110111561504.

The previous prime is 220223122943. The next prime is 220223123023. The reversal of 220223123012 is 210321322022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 158074627396 + 62148495616 = 397586^2 + 249296^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527890373 + ... + 27527890380.

It is an arithmetic number, because the mean of its divisors is an integer number (64231744213).

Almost surely, 2^220223123012 is an apocalyptic number.

It is an amenable number.

220223123012 is a deficient number, since it is larger than the sum of its proper divisors (165167342266).

220223123012 is a wasteful number, since it uses less digits than its factorization.

220223123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55055780757 (or 55055780755 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220223123012 its reverse (210321322022), we get a palindrome (430544445034).

The spelling of 220223123012 in words is "two hundred twenty billion, two hundred twenty-three million, one hundred twenty-three thousand, twelve".