1201220011210 has 16 divisors (see below), whose sum is σ = 2166865998336. Its totient is φ = 479450231568.

The previous prime is 1201220011183. The next prime is 1201220011219. The reversal of 1201220011210 is 121100221021.

It is not an unprimeable number, because it can be changed into a prime (1201220011219) 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, 129716754 + ... + 129726013.

It is an arithmetic number, because the mean of its divisors is an integer number (135429124896).

Almost surely, 2^{1201220011210} is an apocalyptic number.

1201220011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201220011210 is a deficient number, since it is larger than the sum of its proper divisors (965645987126).

1201220011210 is a wasteful number, since it uses less digits than its factorization.

1201220011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259443237.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201220011210 its reverse (121100221021), we get a palindrome (1322320232231).

The spelling of 1201220011210 in words is "one trillion, two hundred one billion, two hundred twenty million, eleven thousand, two hundred ten".