1211220014322 has 64 divisors (see below), whose sum is σ = 2442591131904. Its totient is φ = 400399718400.

The previous prime is 1211220014243. The next prime is 1211220014393. The reversal of 1211220014322 is 2234100221121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376504458 + ... + 376507674.

It is an arithmetic number, because the mean of its divisors is an integer number (38165486436).

Almost surely, 2^{1211220014322} is an apocalyptic number.

1211220014322 is an abundant number, since it is smaller than the sum of its proper divisors (1231371117582).

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

1211220014322 is a wasteful number, since it uses less digits than its factorization.

1211220014322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1211220014322 its reverse (2234100221121), we get a palindrome (3445320235443).

The spelling of 1211220014322 in words is "one trillion, two hundred eleven billion, two hundred twenty million, fourteen thousand, three hundred twenty-two".