1201135542412 has 48 divisors (see below), whose sum is σ = 2269230584544. Its totient is φ = 553011264000.

The previous prime is 1201135542377. The next prime is 1201135542421. The reversal of 1201135542412 is 2142455311021.

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 15 ways as a sum of consecutive naturals, for example, 162070987 + ... + 162078397.

It is an arithmetic number, because the mean of its divisors is an integer number (47275637178).

Almost surely, 2^{1201135542412} is an apocalyptic number.

It is an amenable number.

1201135542412 is a deficient number, since it is larger than the sum of its proper divisors (1068095042132).

1201135542412 is a wasteful number, since it uses less digits than its factorization.

1201135542412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14650 (or 14648 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 1201135542412 in words is "one trillion, two hundred one billion, one hundred thirty-five million, five hundred forty-two thousand, four hundred twelve".