1201222100023 has 8 divisors (see below), whose sum is σ = 1322020784016. Its totient is φ = 1082356195200.

The previous prime is 1201222100011. The next prime is 1201222100077. The reversal of 1201222100023 is 3200012221021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201222100023 - 2¹³ = 1201222091831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201222109023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483193488 + ... + 483195973.

It is an arithmetic number, because the mean of its divisors is an integer number (165252598002).

Almost surely, 2^{1201222100023} is an apocalyptic number.

1201222100023 is a deficient number, since it is larger than the sum of its proper divisors (120798683993).

1201222100023 is a wasteful number, since it uses less digits than its factorization.

1201222100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966389585.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1201222100023 its reverse (3200012221021), we get a palindrome (4401234321044).

The spelling of 1201222100023 in words is "one trillion, two hundred one billion, two hundred twenty-two million, one hundred thousand, twenty-three".