1212202011010 has 16 divisors (see below), whose sum is σ = 2182355244216. Its totient is φ = 484793776768.

The previous prime is 1212202010993. The next prime is 1212202011011. The reversal of 1212202011010 is 101102022121.

It can be written as a sum of positive squares in 4 ways, for example, as 220140194481 + 992061816529 = 469191^2 + 996023^2 .

It is a super-2 number, since 2×1212202011010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212202011011) 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, 10819939 + ... + 10931398.

Almost surely, 2^{1212202011010} is an apocalyptic number.

1212202011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212202011010 is a deficient number, since it is larger than the sum of its proper divisors (970153233206).

1212202011010 is a wasteful number, since it uses less digits than its factorization.

1212202011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21756917.

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

Adding to 1212202011010 its reverse (101102022121), we get a palindrome (1313304033131).

The spelling of 1212202011010 in words is "one trillion, two hundred twelve billion, two hundred two million, eleven thousand, ten".