1201654238016 has 224 divisors, whose sum is σ = 3434268699648. Its totient is φ = 370034196480.

The previous prime is 1201654237969. The next prime is 1201654238017. The reversal of 1201654238016 is 6108324561021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201654238017) 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, 11620396 + ... + 11723348.

Almost surely, 2^{1201654238016} is an apocalyptic number.

1201654238016 is a gapful number since it is divisible by the number (16) 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 1201654238016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717134349824).

1201654238016 is an abundant number, since it is smaller than the sum of its proper divisors (2232614461632).

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

1201654238016 is a wasteful number, since it uses less digits than its factorization.

1201654238016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103089 (or 103079 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

Adding to 1201654238016 its reverse (6108324561021), we get a palindrome (7309978799037).

The spelling of 1201654238016 in words is "one trillion, two hundred one billion, six hundred fifty-four million, two hundred thirty-eight thousand, sixteen".