1201358667432 has 128 divisors (see below), whose sum is σ = 3755104220160. Its totient is φ = 311157073920.

The previous prime is 1201358667389. The next prime is 1201358667437. The reversal of 1201358667432 is 2347668531021.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1201358667437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268458 + ... + 1573145.

It is an arithmetic number, because the mean of its divisors is an integer number (29336751720).

Almost surely, 2^{1201358667432} is an apocalyptic number.

1201358667432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201358667432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877552110080).

1201358667432 is an abundant number, since it is smaller than the sum of its proper divisors (2553745552728).

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

1201358667432 is a wasteful number, since it uses less digits than its factorization.

1201358667432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841983 (or 1841979 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 1201358667432 in words is "one trillion, two hundred one billion, three hundred fifty-eight million, six hundred sixty-seven thousand, four hundred thirty-two".