10101220012212 has 144 divisors (see below), whose sum is σ = 28620233687808. Its totient is φ = 2762027009280.

The previous prime is 10101220012207. The next prime is 10101220012217. The reversal of 10101220012212 is 21221002210101.

It is an interprime number because it is at equal distance from previous prime (10101220012207) and next prime (10101220012217).

It is a super-2 number, since 2×10101220012212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10101220012191 and 10101220012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220012217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2478588 + ... + 5132819.

It is an arithmetic number, because the mean of its divisors is an integer number (198751622832).

Almost surely, 2^{10101220012212} is an apocalyptic number.

10101220012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101220012212 is an abundant number, since it is smaller than the sum of its proper divisors (18519013675596).

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

10101220012212 is a wasteful number, since it uses less digits than its factorization.

10101220012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611526 (or 7611517 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10101220012212 its reverse (21221002210101), we get a palindrome (31322222222313).

The spelling of 10101220012212 in words is "ten trillion, one hundred one billion, two hundred twenty million, twelve thousand, two hundred twelve".