121100022010012 has 48 divisors (see below), whose sum is σ = 223477968420000. Its totient is φ = 57260634476544.

The previous prime is 121100022010001. The next prime is 121100022010039. The reversal of 121100022010012 is 210010220001121.

It is a junction number, because it is equal to n+sod(n) for n = 121100022009974 and 121100022010001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142746864 + ... + 143592712.

It is an arithmetic number, because the mean of its divisors is an integer number (4655791008750).

Almost surely, 2^{121100022010012} is an apocalyptic number.

It is an amenable number.

121100022010012 is a deficient number, since it is larger than the sum of its proper divisors (102377946409988).

121100022010012 is a wasteful number, since it uses less digits than its factorization.

121100022010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849238 (or 849236 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100022010012 its reverse (210010220001121), we get a palindrome (331110242011133).

The spelling of 121100022010012 in words is "one hundred twenty-one trillion, one hundred billion, twenty-two million, ten thousand, twelve".