12021011311404 has 48 divisors (see below), whose sum is σ = 28089093570048. Its totient is φ = 4001281639488.

The previous prime is 12021011311333. The next prime is 12021011311409. The reversal of 12021011311404 is 40411311012021.

It is not an unprimeable number, because it can be changed into a prime (12021011311409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56541469 + ... + 56753675.

It is an arithmetic number, because the mean of its divisors is an integer number (585189449376).

Almost surely, 2^{12021011311404} is an apocalyptic number.

It is an amenable number.

12021011311404 is an abundant number, since it is smaller than the sum of its proper divisors (16068082258644).

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

12021011311404 is a wasteful number, since it uses less digits than its factorization.

12021011311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218934 (or 218932 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12021011311404 its reverse (40411311012021), we get a palindrome (52432322323425).

The spelling of 12021011311404 in words is "twelve trillion, twenty-one billion, eleven million, three hundred eleven thousand, four hundred four".