121133001212 has 24 divisors (see below), whose sum is σ = 213113496960. Its totient is φ = 60243925040.

The previous prime is 121133001137. The next prime is 121133001233. The reversal of 121133001212 is 212100331121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929489 + ... + 1051767.

It is an arithmetic number, because the mean of its divisors is an integer number (8879729040).

Almost surely, 2^121133001212 is an apocalyptic number.

It is an amenable number.

121133001212 is a deficient number, since it is larger than the sum of its proper divisors (91980495748).

121133001212 is a wasteful number, since it uses less digits than its factorization.

121133001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123601 (or 123599 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121133001212 its reverse (212100331121), we get a palindrome (333233332333).

The spelling of 121133001212 in words is "one hundred twenty-one billion, one hundred thirty-three million, one thousand, two hundred twelve".