1012200011000 has 64 divisors (see below), whose sum is σ = 2368697554080. Its totient is φ = 404854444800.

The previous prime is 1012200010963. The next prime is 1012200011051. The reversal of 1012200011000 is 1100022101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28999559 + ... + 29034441.

Almost surely, 2^{1012200011000} is an apocalyptic number.

1012200011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012200011000 is an abundant number, since it is smaller than the sum of its proper divisors (1356497543080).

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

1012200011000 is a wasteful number, since it uses less digits than its factorization.

1012200011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63921 (or 63907 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1012200011000 its reverse (1100022101), we get a palindrome (1013300033101).

The spelling of 1012200011000 in words is "one trillion, twelve billion, two hundred million, eleven thousand".