1000200222012 has 96 divisors (see below), whose sum is σ = 2542358649600. Its totient is φ = 304839424512.

The previous prime is 1000200221971. The next prime is 1000200222013. The reversal of 1000200222012 is 2102220020001.

It is a super-2 number, since 2×1000200222012² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200222013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17274703 + ... + 17332505.

It is an arithmetic number, because the mean of its divisors is an integer number (26482902600).

Almost surely, 2^{1000200222012} is an apocalyptic number.

1000200222012 is a gapful number since it is divisible by the number (12) 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 1000200222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271179324800).

1000200222012 is an abundant number, since it is smaller than the sum of its proper divisors (1542158427588).

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

1000200222012 is a wasteful number, since it uses less digits than its factorization.

1000200222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60475 (or 60473 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000200222012 its reverse (2102220020001), we get a palindrome (3102420242013).

The spelling of 1000200222012 in words is "one trillion, two hundred million, two hundred twenty-two thousand, twelve".