22022001211012 has 24 divisors (see below), whose sum is σ = 42147901595520. Its totient is φ = 9984786435360.

The previous prime is 22022001210977. The next prime is 22022001211027. The reversal of 22022001211012 is 21011210022022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630335212 + ... + 630370147.

It is an arithmetic number, because the mean of its divisors is an integer number (1756162566480).

Almost surely, 2^{22022001211012} is an apocalyptic number.

22022001211012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22022001211012 is a deficient number, since it is larger than the sum of its proper divisors (20125900384508).

22022001211012 is a wasteful number, since it uses less digits than its factorization.

22022001211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260705771 (or 1260705769 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22022001211012 its reverse (21011210022022), we get a palindrome (43033211233034).

The spelling of 22022001211012 in words is "twenty-two trillion, twenty-two billion, one million, two hundred eleven thousand, twelve".