1201123312412 has 6 divisors (see below), whose sum is σ = 2101965796728. Its totient is φ = 600561656204.

The previous prime is 1201123312387. The next prime is 1201123312439. The reversal of 1201123312412 is 2142133211021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150140414048 + ... + 150140414055.

It is an arithmetic number, because the mean of its divisors is an integer number (350327632788).

Almost surely, 2^{1201123312412} is an apocalyptic number.

It is an amenable number.

1201123312412 is a deficient number, since it is larger than the sum of its proper divisors (900842484316).

1201123312412 is a wasteful number, since it uses less digits than its factorization.

1201123312412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300280828107 (or 300280828105 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1201123312412 its reverse (2142133211021), we get a palindrome (3343256523433).

The spelling of 1201123312412 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three hundred twelve thousand, four hundred twelve".