12101420433412 has 24 divisors (see below), whose sum is σ = 21272529997152. Its totient is φ = 6023578920000.

The previous prime is 12101420433407. The next prime is 12101420433433. The reversal of 12101420433412 is 21433402410121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022914 + ... + 5024857.

It is an arithmetic number, because the mean of its divisors is an integer number (886355416548).

Almost surely, 2^{12101420433412} is an apocalyptic number.

It is an amenable number.

12101420433412 is a deficient number, since it is larger than the sum of its proper divisors (9171109563740).

12101420433412 is a wasteful number, since it uses less digits than its factorization.

12101420433412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050019 (or 6050017 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12101420433412 its reverse (21433402410121), we get a palindrome (33534822843533).

The spelling of 12101420433412 in words is "twelve trillion, one hundred one billion, four hundred twenty million, four hundred thirty-three thousand, four hundred twelve".