10211212222000 has 160 divisors (see below), whose sum is σ = 24869782124928. Its totient is φ = 4054896000000.

The previous prime is 10211212221979. The next prime is 10211212222019. The reversal of 10211212222000 is 22221211201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525772290 + ... + 525791710.

Almost surely, 2^{10211212222000} is an apocalyptic number.

10211212222000 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 10211212222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12434891062464).

10211212222000 is an abundant number, since it is smaller than the sum of its proper divisors (14658569902928).

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

10211212222000 is a wasteful number, since it uses less digits than its factorization.

10211212222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336 (or 21320 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10211212222000 its reverse (22221211201), we get a palindrome (10233433433201).

The spelling of 10211212222000 in words is "ten trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand".