20122012000 has 192 divisors, whose sum is σ = 50583222144. Its totient is φ = 7864934400.

The previous prime is 20122011983. The next prime is 20122012019. The reversal of 20122012000 is 21022102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40003749 + ... + 40004251.

It is an arithmetic number, because the mean of its divisors is an integer number (263454282).

Almost surely, 2^20122012000 is an apocalyptic number.

20122012000 is a gapful number since it is divisible by the number (20) 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 20122012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25291611072).

20122012000 is an abundant number, since it is smaller than the sum of its proper divisors (30461210144).

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

20122012000 is a wasteful number, since it uses less digits than its factorization.

20122012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20122012000 its reverse (21022102), we get a palindrome (20143034102).

The spelling of 20122012000 in words is "twenty billion, one hundred twenty-two million, twelve thousand".