120211122121012 has 24 divisors (see below), whose sum is σ = 226743560690472. Its totient is φ = 55435077456000.

The previous prime is 120211122121003. The next prime is 120211122121037. The reversal of 120211122121012 is 210121221112021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61036781260816 + 59174340860196 = 7812604^2 + 7692486^2 .

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, 978665239 + ... + 978788062.

It is an arithmetic number, because the mean of its divisors is an integer number (9447648362103).

Almost surely, 2^{120211122121012} is an apocalyptic number.

It is an amenable number.

120211122121012 is a deficient number, since it is larger than the sum of its proper divisors (106532438569460).

120211122121012 is a wasteful number, since it uses less digits than its factorization.

120211122121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957454499 (or 1957454497 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120211122121012 its reverse (210121221112021), we get a palindrome (330332343233033).

The spelling of 120211122121012 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twelve".