1000212201000 has 384 divisors, whose sum is σ = 3576083696640. Its totient is φ = 251627904000.

The previous prime is 1000212200959. The next prime is 1000212201049. The reversal of 1000212201000 is 1022120001.

1000212201000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15077905 + ... + 15144095.

It is an arithmetic number, because the mean of its divisors is an integer number (9312717960).

Almost surely, 2^{1000212201000} is an apocalyptic number.

1000212201000 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 1000212201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788041848320).

1000212201000 is an abundant number, since it is smaller than the sum of its proper divisors (2575871495640).

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

1000212201000 is a wasteful number, since it uses less digits than its factorization.

1000212201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66314 (or 66297 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000212201000 its reverse (1022120001), we get a palindrome (1001234321001).

The spelling of 1000212201000 in words is "one trillion, two hundred twelve million, two hundred one thousand".