120021121100012 has 48 divisors (see below), whose sum is σ = 239246825126400. Its totient is φ = 52149623285760.

The previous prime is 120021121100011. The next prime is 120021121100021. The reversal of 120021121100012 is 210001121120021.

It is a self number, because there is not a number n which added to its sum of digits gives 120021121100012.

It is not an unprimeable number, because it can be changed into a prime (120021121100011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36458837 + ... + 39614252.

It is an arithmetic number, because the mean of its divisors is an integer number (4984308856800).

Almost surely, 2^{120021121100012} is an apocalyptic number.

It is an amenable number.

120021121100012 is a deficient number, since it is larger than the sum of its proper divisors (119225704026388).

120021121100012 is a wasteful number, since it uses less digits than its factorization.

120021121100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76074686 (or 76074684 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120021121100012 its reverse (210001121120021), we get a palindrome (330022242220033).

The spelling of 120021121100012 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-one million, one hundred thousand, twelve".