1001122200012 has 48 divisors (see below), whose sum is σ = 2559537171072. Its totient is φ = 302033921280.

The previous prime is 1001122199993. The next prime is 1001122200019. The reversal of 1001122200012 is 2100022211001.

1001122200012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (1001122200019) 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, 16675453 + ... + 16735380.

It is an arithmetic number, because the mean of its divisors is an integer number (53323691064).

Almost surely, 2^{1001122200012} is an apocalyptic number.

1001122200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001122200012 is an abundant number, since it is smaller than the sum of its proper divisors (1558414971060).

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

1001122200012 is a wasteful number, since it uses less digits than its factorization.

1001122200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33411078 (or 33411076 counting only the distinct ones).

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

Adding to 1001122200012 its reverse (2100022211001), we get a palindrome (3101144411013).

The spelling of 1001122200012 in words is "one trillion, one billion, one hundred twenty-two million, two hundred thousand, twelve".