11213021303212 has 48 divisors (see below), whose sum is σ = 20145875904000. Its totient is φ = 5457950346240.

The previous prime is 11213021303201. The next prime is 11213021303269. The reversal of 11213021303212 is 21230312031211.

It is a super-2 number, since 2×11213021303212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70893537 + ... + 71051527.

It is an arithmetic number, because the mean of its divisors is an integer number (419705748000).

Almost surely, 2^{11213021303212} is an apocalyptic number.

It is an amenable number.

11213021303212 is a deficient number, since it is larger than the sum of its proper divisors (8932854600788).

11213021303212 is a wasteful number, since it uses less digits than its factorization.

11213021303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159406 (or 159404 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11213021303212 its reverse (21230312031211), we get a palindrome (32443333334423).

The spelling of 11213021303212 in words is "eleven trillion, two hundred thirteen billion, twenty-one million, three hundred three thousand, two hundred twelve".