1212222001102 has 8 divisors (see below), whose sum is σ = 2078094859056. Its totient is φ = 519523714752.

The previous prime is 1212222001093. The next prime is 1212222001103. The reversal of 1212222001102 is 2011002222121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212222001103) 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, 43293642883 + ... + 43293642910.

It is an arithmetic number, because the mean of its divisors is an integer number (259761857382).

Almost surely, 2^{1212222001102} is an apocalyptic number.

1212222001102 is a deficient number, since it is larger than the sum of its proper divisors (865872857954).

1212222001102 is an equidigital number, since it uses as much as digits as its factorization.

1212222001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86587285802.

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

Adding to 1212222001102 its reverse (2011002222121), we get a palindrome (3223224223223).

The spelling of 1212222001102 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, one thousand, one hundred two".