222001011012 has 96 divisors (see below), whose sum is σ = 570971520000. Its totient is φ = 66573936000.

The previous prime is 222001010999. The next prime is 222001011031. The reversal of 222001011012 is 210110100222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46646289 + ... + 46651047.

It is an arithmetic number, because the mean of its divisors is an integer number (5947620000).

Almost surely, 2^222001011012 is an apocalyptic number.

222001011012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222001011012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285485760000).

222001011012 is an abundant number, since it is smaller than the sum of its proper divisors (348970508988).

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

222001011012 is a wasteful number, since it uses less digits than its factorization.

222001011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377 (or 8375 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222001011012 its reverse (210110100222), we get a palindrome (432111111234).

The spelling of 222001011012 in words is "two hundred twenty-two billion, one million, eleven thousand, twelve".