1301211223012 has 12 divisors (see below), whose sum is σ = 2277651334896. Its totient is φ = 650453698760.

The previous prime is 1301211223007. The next prime is 1301211223021. The reversal of 1301211223012 is 2103221121031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37958914 + ... + 37993177.

It is an arithmetic number, because the mean of its divisors is an integer number (189804277908).

Almost surely, 2^{1301211223012} is an apocalyptic number.

It is an amenable number.

1301211223012 is a deficient number, since it is larger than the sum of its proper divisors (976440111884).

1301211223012 is a wasteful number, since it uses less digits than its factorization.

1301211223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75956378 (or 75956376 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1301211223012 its reverse (2103221121031), we get a palindrome (3404432344043).

The spelling of 1301211223012 in words is "one trillion, three hundred one billion, two hundred eleven million, two hundred twenty-three thousand, twelve".