121123132031012 has 12 divisors (see below), whose sum is σ = 218803077217536. Its totient is φ = 58607967111720.

The previous prime is 121123132030993. The next prime is 121123132031021. The reversal of 121123132031012 is 210130231321121.

It is a happy number.

It is a super-2 number, since 2×121123132031012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488399725808 + ... + 488399726055.

It is an arithmetic number, because the mean of its divisors is an integer number (18233589768128).

Almost surely, 2^{121123132031012} is an apocalyptic number.

It is an amenable number.

121123132031012 is a deficient number, since it is larger than the sum of its proper divisors (97679945186524).

121123132031012 is a wasteful number, since it uses less digits than its factorization.

121123132031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976799451898 (or 976799451896 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121123132031012 its reverse (210130231321121), we get a palindrome (331253363352133).

The spelling of 121123132031012 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, thirty-one thousand, twelve".