1201422321402 has 32 divisors (see below), whose sum is σ = 2542552657920. Its totient is φ = 377410146480.

The previous prime is 1201422321377. The next prime is 1201422321431. The reversal of 1201422321402 is 2041232241021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27566688 + ... + 27610235.

It is an arithmetic number, because the mean of its divisors is an integer number (79454770560).

Almost surely, 2^{1201422321402} is an apocalyptic number.

1201422321402 is an abundant number, since it is smaller than the sum of its proper divisors (1341130336518).

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

1201422321402 is a wasteful number, since it uses less digits than its factorization.

1201422321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55177138.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1201422321402 its reverse (2041232241021), we get a palindrome (3242654562423).

The spelling of 1201422321402 in words is "one trillion, two hundred one billion, four hundred twenty-two million, three hundred twenty-one thousand, four hundred two".