223155001005212 has 96 divisors (see below), whose sum is σ = 401929913064960. Its totient is φ = 108377506621440.

The previous prime is 223155001005191. The next prime is 223155001005217. The reversal of 223155001005212 is 212500100551322.

It is a happy number.

It is a super-3 number, since 3×223155001005212³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223155001005217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19182922148 + ... + 19182933780.

It is an arithmetic number, because the mean of its divisors is an integer number (4186769927760).

Almost surely, 2^{223155001005212} is an apocalyptic number.

It is an amenable number.

223155001005212 is a deficient number, since it is larger than the sum of its proper divisors (178774912059748).

223155001005212 is a wasteful number, since it uses less digits than its factorization.

223155001005212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531 (or 15529 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 223155001005212 its reverse (212500100551322), we get a palindrome (435655101556534).

The spelling of 223155001005212 in words is "two hundred twenty-three trillion, one hundred fifty-five billion, one million, five thousand, two hundred twelve".