121212335153132 has 6 divisors (see below), whose sum is σ = 212121586517988. Its totient is φ = 60606167576564.

The previous prime is 121212335153071. The next prime is 121212335153137. The reversal of 121212335153132 is 231351533212121.

It is a junction number, because it is equal to n+sod(n) for n = 121212335153092 and 121212335153101.

It is not an unprimeable number, because it can be changed into a prime (121212335153137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151541894138 + ... + 15151541894145.

It is an arithmetic number, because the mean of its divisors is an integer number (35353597752998).

Almost surely, 2^{121212335153132} is an apocalyptic number.

It is an amenable number.

121212335153132 is a deficient number, since it is larger than the sum of its proper divisors (90909251364856).

121212335153132 is a wasteful number, since it uses less digits than its factorization.

121212335153132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30303083788287 (or 30303083788285 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

Adding to 121212335153132 its reverse (231351533212121), we get a palindrome (352563868365253).

The spelling of 121212335153132 in words is "one hundred twenty-one trillion, two hundred twelve billion, three hundred thirty-five million, one hundred fifty-three thousand, one hundred thirty-two".