2021130301212 has 144 divisors (see below), whose sum is σ = 5908701087744. Its totient is φ = 576687600000.

The previous prime is 2021130301199. The next prime is 2021130301217. The reversal of 2021130301212 is 2121030311202.

2021130301212 is a `hidden beast` number, since 2 + 0 + 21 + 130 + 301 + 212 = 666.

It is a super-3 number, since 3×2021130301212³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021130301217) 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, 1770664 + ... + 2679087.

Almost surely, 2^{2021130301212} is an apocalyptic number.

2021130301212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2021130301212 is an abundant number, since it is smaller than the sum of its proper divisors (3887570786532).

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

2021130301212 is a wasteful number, since it uses less digits than its factorization.

2021130301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449840 (or 4449835 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2021130301212 its reverse (2121030311202), we get a palindrome (4142160612414).

The spelling of 2021130301212 in words is "two trillion, twenty-one billion, one hundred thirty million, three hundred one thousand, two hundred twelve".