10000012000 has 384 divisors, whose sum is σ = 29422673280. Its totient is φ = 3297280000.

The previous prime is 10000011997. The next prime is 10000012007. The reversal of 10000012000 is 21000001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21691770 + ... + 21692230.

It is an arithmetic number, because the mean of its divisors is an integer number (76621545).

Almost surely, 2^10000012000 is an apocalyptic number.

10000012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10000012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14711336640).

10000012000 is an abundant number, since it is smaller than the sum of its proper divisors (19422661280).

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

10000012000 is a wasteful number, since it uses less digits than its factorization.

10000012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 10000012000 its reverse (21000001), we get a palindrome (10021012001).

It can be divided in two parts, 1000001 and 2000, that added together give a palindrome (1002001).

The spelling of 10000012000 in words is "ten billion, twelve thousand".