1201132312140 has 24 divisors (see below), whose sum is σ = 3363170474160. Its totient is φ = 320301949888.

The previous prime is 1201132312129. The next prime is 1201132312151. The reversal of 1201132312140 is 412132311021.

It is an interprime number because it is at equal distance from previous prime (1201132312129) and next prime (1201132312151).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10009435875 + ... + 10009435994.

It is an arithmetic number, because the mean of its divisors is an integer number (140132103090).

Almost surely, 2^{1201132312140} is an apocalyptic number.

1201132312140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201132312140 is an abundant number, since it is smaller than the sum of its proper divisors (2162038162020).

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

1201132312140 is a wasteful number, since it uses less digits than its factorization.

1201132312140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20018871881 (or 20018871879 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1201132312140 its reverse (412132311021), we get a palindrome (1613264623161).

The spelling of 1201132312140 in words is "one trillion, two hundred one billion, one hundred thirty-two million, three hundred twelve thousand, one hundred forty".