1201102313220 has 60 divisors (see below), whose sum is σ = 3767902446924. Its totient is φ = 320293949760.

The previous prime is 1201102313207. The next prime is 1201102313297. The reversal of 1201102313220 is 223132011021.

1201102313220 is a `hidden beast` number, since 1 + 2 + 0 + 110 + 231 + 322 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 392106401856 + 808995911364 = 626184^2 + 899442^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201102313193 and 1201102313202.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 370708971 + ... + 370712210.

Almost surely, 2^{1201102313220} is an apocalyptic number.

1201102313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201102313220 is an abundant number, since it is smaller than the sum of its proper divisors (2566800133704).

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

1201102313220 is a wasteful number, since it uses less digits than its factorization.

1201102313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741421202 (or 741421191 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201102313220 its reverse (223132011021), we get a palindrome (1424234324241).

The spelling of 1201102313220 in words is "one trillion, two hundred one billion, one hundred two million, three hundred thirteen thousand, two hundred twenty".