212031222101202 has 128 divisors (see below), whose sum is σ = 492530124054528. Its totient is φ = 59598159667200.

The previous prime is 212031222101183. The next prime is 212031222101203. The reversal of 212031222101202 is 202101222130212.

It is a super-3 number, since 3×212031222101202³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212031222101203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14784960552 + ... + 14784974892.

It is an arithmetic number, because the mean of its divisors is an integer number (3847891594176).

Almost surely, 2^{212031222101202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212031222101202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246265062027264).

212031222101202 is an abundant number, since it is smaller than the sum of its proper divisors (280498901953326).

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

212031222101202 is a wasteful number, since it uses less digits than its factorization.

212031222101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24784.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212031222101202 its reverse (202101222130212), we get a palindrome (414132444231414).

The spelling of 212031222101202 in words is "two hundred twelve trillion, thirty-one billion, two hundred twenty-two million, one hundred one thousand, two hundred two".