1201212321202 has 12 divisors (see below), whose sum is σ = 1914042471210. Its totient is φ = 565276386176.

The previous prime is 1201212321193. The next prime is 1201212321247. The reversal of 1201212321202 is 2021232121021.

It can be written as a sum of positive squares in 3 ways, for example, as 1193401120041 + 7811201161 = 1092429^2 + 88381^2 .

It is a super-2 number, since 2×1201212321202² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201212321202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1039110427 + ... + 1039111582.

Almost surely, 2^{1201212321202} is an apocalyptic number.

1201212321202 is a deficient number, since it is larger than the sum of its proper divisors (712830150008).

1201212321202 is a wasteful number, since it uses less digits than its factorization.

1201212321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078222045 (or 2078222028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1201212321202 its reverse (2021232121021), we get a palindrome (3222444442223).

The spelling of 1201212321202 in words is "one trillion, two hundred one billion, two hundred twelve million, three hundred twenty-one thousand, two hundred two".