1201312240002 has 128 divisors (see below), whose sum is σ = 3150007910400. Its totient is φ = 332092742400.

The previous prime is 1201312239997. The next prime is 1201312240021. The reversal of 1201312240002 is 2000422131021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94429002 + ... + 94441722.

It is an arithmetic number, because the mean of its divisors is an integer number (24609436800).

Almost surely, 2^{1201312240002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201312240002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575003955200).

1201312240002 is an abundant number, since it is smaller than the sum of its proper divisors (1948695670398).

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

1201312240002 is a wasteful number, since it uses less digits than its factorization.

1201312240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20829 (or 20823 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1201312240002 its reverse (2000422131021), we get a palindrome (3201734371023).

The spelling of 1201312240002 in words is "one trillion, two hundred one billion, three hundred twelve million, two hundred forty thousand, two".