1201011351246 has 64 divisors (see below), whose sum is σ = 3068452316160. Its totient is φ = 341091315360.

The previous prime is 1201011351227. The next prime is 1201011351247. The reversal of 1201011351246 is 6421531101021.

1201011351246 is a `hidden beast` number, since 1 + 2 + 0 + 101 + 1 + 3 + 512 + 46 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201011351247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9449685 + ... + 9575936.

It is an arithmetic number, because the mean of its divisors is an integer number (47944567440).

Almost surely, 2^{1201011351246} is an apocalyptic number.

1201011351246 is an abundant number, since it is smaller than the sum of its proper divisors (1867440964914).

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

1201011351246 is a wasteful number, since it uses less digits than its factorization.

1201011351246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19025806 (or 19025800 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 1201011351246 its reverse (6421531101021), we get a palindrome (7622542452267).

The spelling of 1201011351246 in words is "one trillion, two hundred one billion, eleven million, three hundred fifty-one thousand, two hundred forty-six".