222012012018 has 32 divisors (see below), whose sum is σ = 445651727040. Its totient is φ = 73733204160.

The previous prime is 222012011993. The next prime is 222012012049. The reversal of 222012012018 is 810210210222.

It is a junction number, because it is equal to n+sod(n) for n = 222012011985 and 222012012003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792188 + ... + 1912056.

It is an arithmetic number, because the mean of its divisors is an integer number (13926616470).

Almost surely, 2^222012012018 is an apocalyptic number.

222012012018 is an abundant number, since it is smaller than the sum of its proper divisors (223639715022).

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

222012012018 is a wasteful number, since it uses less digits than its factorization.

222012012018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121002.

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 222012012018 in words is "two hundred twenty-two billion, twelve million, twelve thousand, eighteen".