12101121131230 has 16 divisors (see below), whose sum is σ = 22928440038480. Its totient is φ = 4585688007552.

The previous prime is 12101121131221. The next prime is 12101121131237. The reversal of 12101121131230 is 3213112110121.

It is a super-3 number, since 3×12101121131230³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 12101121131198 and 12101121131207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101121131237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31845055419 + ... + 31845055798.

It is an arithmetic number, because the mean of its divisors is an integer number (1433027502405).

Almost surely, 2^{12101121131230} is an apocalyptic number.

12101121131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101121131230 is a deficient number, since it is larger than the sum of its proper divisors (10827318907250).

12101121131230 is a wasteful number, since it uses less digits than its factorization.

12101121131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63690111243.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12101121131230 its reverse (3213112110121), we get a palindrome (15314233241351).

The spelling of 12101121131230 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty".