10001211110212 has 96 divisors (see below), whose sum is σ = 21131460000000. Its totient is φ = 4135098240000.

The previous prime is 10001211110179. The next prime is 10001211110213. The reversal of 10001211110212 is 21201111210001.

It is a happy number.

It is a super-3 number, since 3×10001211110212³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10001211110192 and 10001211110201.

It is not an unprimeable number, because it can be changed into a prime (10001211110213) 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, 49594587 + ... + 49795837.

It is an arithmetic number, because the mean of its divisors is an integer number (220119375000).

Almost surely, 2^{10001211110212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10001211110212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10565730000000).

10001211110212 is an abundant number, since it is smaller than the sum of its proper divisors (11130248889788).

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

10001211110212 is a wasteful number, since it uses less digits than its factorization.

10001211110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202554 (or 202538 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10001211110212 its reverse (21201111210001), we get a palindrome (31202322320213).

The spelling of 10001211110212 in words is "ten trillion, one billion, two hundred eleven million, one hundred ten thousand, two hundred twelve".