2021303142212 has 24 divisors (see below), whose sum is σ = 3749189472504. Its totient is φ = 950227853312.

The previous prime is 2021303142101. The next prime is 2021303142247. The reversal of 2021303142212 is 2122413031202.

It can be written as a sum of positive squares in 4 ways, for example, as 1097059328836 + 924243813376 = 1047406^2 + 961376^2 .

It is a super-2 number, since 2×2021303142212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15145973 + ... + 15278844.

It is an arithmetic number, because the mean of its divisors is an integer number (156216228021).

Almost surely, 2^{2021303142212} is an apocalyptic number.

It is an amenable number.

2021303142212 is a deficient number, since it is larger than the sum of its proper divisors (1727886330292).

2021303142212 is a wasteful number, since it uses less digits than its factorization.

2021303142212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30425815 (or 30425813 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2021303142212 its reverse (2122413031202), we get a palindrome (4143716173414).

The spelling of 2021303142212 in words is "two trillion, twenty-one billion, three hundred three million, one hundred forty-two thousand, two hundred twelve".