1220203011140 has 12 divisors (see below), whose sum is σ = 2562426323436. Its totient is φ = 488081204448.

The previous prime is 1220203011107. The next prime is 1220203011151. The reversal of 1220203011140 is 411103020221.

It can be written as a sum of positive squares in 2 ways, for example, as 187508052484 + 1032694958656 = 433022^2 + 1016216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30505075259 + ... + 30505075298.

It is an arithmetic number, because the mean of its divisors is an integer number (213535526953).

Almost surely, 2^{1220203011140} is an apocalyptic number.

1220203011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220203011140 is an abundant number, since it is smaller than the sum of its proper divisors (1342223312296).

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

1220203011140 is a wasteful number, since it uses less digits than its factorization.

1220203011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61010150566 (or 61010150564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220203011140 its reverse (411103020221), we get a palindrome (1631306031361).

The spelling of 1220203011140 in words is "one trillion, two hundred twenty billion, two hundred three million, eleven thousand, one hundred forty".