1011001200012 has 18 divisors (see below), whose sum is σ = 2555586366788. Its totient is φ = 337000399992.

The previous prime is 1011001199927. The next prime is 1011001200037. The reversal of 1011001200012 is 2100021001101.

It is a happy number.

1011001200012 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 tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011001199967 and 1011001200003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14041683298 + ... + 14041683369.

Almost surely, 2^{1011001200012} is an apocalyptic number.

1011001200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011001200012 is an abundant number, since it is smaller than the sum of its proper divisors (1544585166776).

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

1011001200012 is a wasteful number, since it uses less digits than its factorization.

1011001200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28083366677 (or 28083366672 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011001200012 its reverse (2100021001101), we get a palindrome (3111022201113).

The spelling of 1011001200012 in words is "one trillion, eleven billion, one million, two hundred thousand, twelve".