12021123101310 has 64 divisors (see below), whose sum is σ = 32062716336960. Its totient is φ = 3204994020480.

The previous prime is 12021123101297. The next prime is 12021123101357. The reversal of 12021123101310 is 1310132112021.

12021123101310 is a `hidden beast` number, since 1 + 20 + 21 + 1 + 2 + 310 + 1 + 310 = 666.

It is a super-2 number, since 2×12021123101310² (a number of 27 digits) contains 22 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3077977 + ... + 5789316.

It is an arithmetic number, because the mean of its divisors is an integer number (500979942765).

Almost surely, 2^{12021123101310} is an apocalyptic number.

12021123101310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021123101310 is an abundant number, since it is smaller than the sum of its proper divisors (20041593235650).

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

12021123101310 is a wasteful number, since it uses less digits than its factorization.

12021123101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8872330 (or 8872324 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12021123101310 its reverse (1310132112021), we get a palindrome (13331255213331).

The spelling of 12021123101310 in words is "twelve trillion, twenty-one billion, one hundred twenty-three million, one hundred one thousand, three hundred ten".