1201210111210 has 8 divisors (see below), whose sum is σ = 2162178200196. Its totient is φ = 480484044480.

The previous prime is 1201210111159. The next prime is 1201210111243. The reversal of 1201210111210 is 121110121021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1131038631009 + 70171480201 = 1063503^2 + 264899^2 .

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

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, 60060505551 + ... + 60060505570.

Almost surely, 2^{1201210111210} is an apocalyptic number.

1201210111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201210111210 is a deficient number, since it is larger than the sum of its proper divisors (960968088986).

1201210111210 is a wasteful number, since it uses less digits than its factorization.

1201210111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120121011128.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1201210111210 its reverse (121110121021), we get a palindrome (1322320232231).

The spelling of 1201210111210 in words is "one trillion, two hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred ten".