1212001212202 has 16 divisors (see below), whose sum is σ = 2002911097824. Its totient is φ = 545455090000.

The previous prime is 1212001212199. The next prime is 1212001212223. The reversal of 1212001212202 is 2022121002121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272725324 + ... + 272729767.

It is an arithmetic number, because the mean of its divisors is an integer number (125181943614).

Almost surely, 2^{1212001212202} is an apocalyptic number.

1212001212202 is a deficient number, since it is larger than the sum of its proper divisors (790909885622).

1212001212202 is a wasteful number, since it uses less digits than its factorization.

1212001212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545455205.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212001212202 its reverse (2022121002121), we get a palindrome (3234122214323).

The spelling of 1212001212202 in words is "one trillion, two hundred twelve billion, one million, two hundred twelve thousand, two hundred two".