121204231433252 has 12 divisors (see below), whose sum is σ = 231389896372656. Its totient is φ = 55092832469640.

The previous prime is 121204231433249. The next prime is 121204231433287. The reversal of 121204231433252 is 252334132402121.

It is a super-2 number, since 2×121204231433252² (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, 1377320811698 + ... + 1377320811785.

It is an arithmetic number, because the mean of its divisors is an integer number (19282491364388).

Almost surely, 2^{121204231433252} is an apocalyptic number.

It is an amenable number.

121204231433252 is a deficient number, since it is larger than the sum of its proper divisors (110185664939404).

121204231433252 is a wasteful number, since it uses less digits than its factorization.

121204231433252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754641623498 (or 2754641623496 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 121204231433252 its reverse (252334132402121), we get a palindrome (373538363835373).

The spelling of 121204231433252 in words is "one hundred twenty-one trillion, two hundred four billion, two hundred thirty-one million, four hundred thirty-three thousand, two hundred fifty-two".