1212202210206 has 256 divisors, whose sum is σ = 2894766336000. Its totient is φ = 335173386240.

The previous prime is 1212202210201. The next prime is 1212202210223. The reversal of 1212202210206 is 6020122022121.

It is a super-2 number, since 2×1212202210206² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212202210201) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1576335390 + ... + 1576336158.

It is an arithmetic number, because the mean of its divisors is an integer number (11307681000).

Almost surely, 2^{1212202210206} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212202210206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447383168000).

1212202210206 is an abundant number, since it is smaller than the sum of its proper divisors (1682564125794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212202210206 is a wasteful number, since it uses less digits than its factorization.

1212202210206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1212202210206 its reverse (6020122022121), we get a palindrome (7232324232327).

The spelling of 1212202210206 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred ten thousand, two hundred six".