121101010312 has 8 divisors (see below), whose sum is σ = 227064394350. Its totient is φ = 60550505152.

The previous prime is 121101010309. The next prime is 121101010313. The reversal of 121101010312 is 213010101121.

It is a happy number.

121101010312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 98587208196 + 22513802116 = 313986^2 + 150046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 121101010292 and 121101010301.

It is not an unprimeable number, because it can be changed into a prime (121101010313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7568813137 + ... + 7568813152.

Almost surely, 2^121101010312 is an apocalyptic number.

It is an amenable number.

121101010312 is a deficient number, since it is larger than the sum of its proper divisors (105963384038).

121101010312 is a wasteful number, since it uses less digits than its factorization.

121101010312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137626295 (or 15137626291 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121101010312 its reverse (213010101121), we get a palindrome (334111111433).

The spelling of 121101010312 in words is "one hundred twenty-one billion, one hundred one million, ten thousand, three hundred twelve".