12021332310212 has 6 divisors (see below), whose sum is σ = 21037331542878. Its totient is φ = 6010666155104.

The previous prime is 12021332310199. The next prime is 12021332310233. The reversal of 12021332310212 is 21201323312021.

It can be written as a sum of positive squares in only one way, i.e., 11952549904516 + 68782405696 = 3457246^2 + 262264^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502666538773 + ... + 1502666538780.

It is an arithmetic number, because the mean of its divisors is an integer number (3506221923813).

Almost surely, 2^{12021332310212} is an apocalyptic number.

It is an amenable number.

12021332310212 is a deficient number, since it is larger than the sum of its proper divisors (9015999232666).

12021332310212 is a wasteful number, since it uses less digits than its factorization.

12021332310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005333077557 (or 3005333077555 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12021332310212 its reverse (21201323312021), we get a palindrome (33222655622233).

The spelling of 12021332310212 in words is "twelve trillion, twenty-one billion, three hundred thirty-two million, three hundred ten thousand, two hundred twelve".