212022012018 has 16 divisors (see below), whose sum is σ = 425199461760. Its totient is φ = 70481431056.

The previous prime is 212022012011. The next prime is 212022012031. The reversal of 212022012018 is 810210220212.

It is a junction number, because it is equal to n+sod(n) for n = 212022011985 and 212022012003.

It is not an unprimeable number, because it can be changed into a prime (212022012011) 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, 48140853 + ... + 48145256.

It is an arithmetic number, because the mean of its divisors is an integer number (26574966360).

Almost surely, 2^212022012018 is an apocalyptic number.

212022012018 is an abundant number, since it is smaller than the sum of its proper divisors (213177449742).

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

212022012018 is a wasteful number, since it uses less digits than its factorization.

212022012018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96286481.

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

The spelling of 212022012018 in words is "two hundred twelve billion, twenty-two million, twelve thousand, eighteen".