1222011120012 has 48 divisors (see below), whose sum is σ = 2928115287552. Its totient is φ = 396467663040.

The previous prime is 1222011119909. The next prime is 1222011120017. The reversal of 1222011120012 is 2100211102221.

It is a super-2 number, since 2×1222011120012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222011119973 and 1222011120000.

It is not an unprimeable number, because it can be changed into a prime (1222011120017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5883238 + ... + 6087405.

It is an arithmetic number, because the mean of its divisors is an integer number (61002401824).

Almost surely, 2^{1222011120012} is an apocalyptic number.

1222011120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222011120012 is an abundant number, since it is smaller than the sum of its proper divisors (1706104167540).

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

1222011120012 is a wasteful number, since it uses less digits than its factorization.

1222011120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11970878 (or 11970876 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222011120012 its reverse (2100211102221), we get a palindrome (3322222222233).

The spelling of 1222011120012 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred twenty thousand, twelve".