1201211200023 has 8 divisors (see below), whose sum is σ = 1601838932736. Its totient is φ = 800695467000.

The previous prime is 1201211200019. The next prime is 1201211200031. The reversal of 1201211200023 is 3200021121021.

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

It is not a de Polignac number, because 1201211200023 - 2² = 1201211200019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201211199975 and 1201211200011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201211200003) 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, 27974893 + ... + 28017798.

It is an arithmetic number, because the mean of its divisors is an integer number (200229866592).

Almost surely, 2^{1201211200023} is an apocalyptic number.

1201211200023 is a deficient number, since it is larger than the sum of its proper divisors (400627732713).

1201211200023 is an equidigital number, since it uses as much as digits as its factorization.

1201211200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55999845.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1201211200023 its reverse (3200021121021), we get a palindrome (4401232321044).

The spelling of 1201211200023 in words is "one trillion, two hundred one billion, two hundred eleven million, two hundred thousand, twenty-three".