1201012021210 has 8 divisors (see below), whose sum is σ = 2161821638196. Its totient is φ = 480404808480.

The previous prime is 1201012021151. The next prime is 1201012021219. The reversal of 1201012021210 is 121202101021.

It can be written as a sum of positive squares in 2 ways, for example, as 1192972926289 + 8039094921 = 1092233^2 + 89661^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1201012021219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60050601051 + ... + 60050601070.

Almost surely, 2^{1201012021210} is an apocalyptic number.

1201012021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201012021210 is a deficient number, since it is larger than the sum of its proper divisors (960809616986).

1201012021210 is a wasteful number, since it uses less digits than its factorization.

1201012021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120101202128.

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

Adding to 1201012021210 its reverse (121202101021), we get a palindrome (1322214122231).

The spelling of 1201012021210 in words is "one trillion, two hundred one billion, twelve million, twenty-one thousand, two hundred ten".