1000212021210 has 256 divisors, whose sum is σ = 2591217008640. Its totient is φ = 246599147520.

The previous prime is 1000212021161. The next prime is 1000212021229. The reversal of 1000212021210 is 121202120001.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1076654026 + ... + 1076654954.

It is an arithmetic number, because the mean of its divisors is an integer number (10121941440).

Almost surely, 2^{1000212021210} is an apocalyptic number.

1000212021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000212021210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295608504320).

1000212021210 is an abundant number, since it is smaller than the sum of its proper divisors (1591004987430).

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

1000212021210 is a wasteful number, since it uses less digits than its factorization.

1000212021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000212021210 its reverse (121202120001), we get a palindrome (1121414141211).

The spelling of 1000212021210 in words is "one trillion, two hundred twelve million, twenty-one thousand, two hundred ten".