121123213332 has 36 divisors (see below), whose sum is σ = 310649347008. Its totient is φ = 36704003600.

The previous prime is 121123213331. The next prime is 121123213339. The reversal of 121123213332 is 233312321121.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123213331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41707644 + ... + 41710547.

It is an arithmetic number, because the mean of its divisors is an integer number (8629148528).

Almost surely, 2^121123213332 is an apocalyptic number.

121123213332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121123213332 is an abundant number, since it is smaller than the sum of its proper divisors (189526133676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121123213332 is a wasteful number, since it uses less digits than its factorization.

121123213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83418220 (or 83418207 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 121123213332 its reverse (233312321121), we get a palindrome (354435534453).

The spelling of 121123213332 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-two".