121230222011312 has 20 divisors (see below), whose sum is σ = 234898413221640. Its totient is φ = 60611276663808.

The previous prime is 121230222011287. The next prime is 121230222011329. The reversal of 121230222011312 is 213110222032121.

It is a super-2 number, since 2×121230222011312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239385518 + ... + 239891405.

It is an arithmetic number, because the mean of its divisors is an integer number (11744920661082).

Almost surely, 2^{121230222011312} is an apocalyptic number.

It is an amenable number.

121230222011312 is a deficient number, since it is larger than the sum of its proper divisors (113668191210328).

121230222011312 is a wasteful number, since it uses less digits than its factorization.

121230222011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479292740 (or 479292734 counting only the distinct ones).

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

Adding to 121230222011312 its reverse (213110222032121), we get a palindrome (334340444043433).

The spelling of 121230222011312 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred twenty-two million, eleven thousand, three hundred twelve".