1201012110120 has 64 divisors (see below), whose sum is σ = 3700415704320. Its totient is φ = 311613951744.

The previous prime is 1201012110079. The next prime is 1201012110121. The reversal of 1201012110120 is 210112101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1201012110096 and 1201012110105.

It is not an unprimeable number, because it can be changed into a prime (1201012110121) 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, 135244672 + ... + 135253551.

It is an arithmetic number, because the mean of its divisors is an integer number (57818995380).

Almost surely, 2^{1201012110120} is an apocalyptic number.

1201012110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201012110120 is an abundant number, since it is smaller than the sum of its proper divisors (2499403594200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201012110120 is a wasteful number, since it uses less digits than its factorization.

1201012110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270498274 (or 270498270 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201012110120 its reverse (210112101021), we get a palindrome (1411124211141).

Subtracting from 1201012110120 its reverse (210112101021), we obtain a palindrome (990900009099).

The spelling of 1201012110120 in words is "one trillion, two hundred one billion, twelve million, one hundred ten thousand, one hundred twenty".