1212211212022 has 8 divisors (see below), whose sum is σ = 1818351252072. Its totient is φ = 606094128000.

The previous prime is 1212211211999. The next prime is 1212211212029. The reversal of 1212211212022 is 2202121122121.

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 (1212211212029) 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, 5606379 + ... + 5818582.

It is an arithmetic number, because the mean of its divisors is an integer number (227293906509).

Almost surely, 2^{1212211212022} is an apocalyptic number.

1212211212022 is a deficient number, since it is larger than the sum of its proper divisors (606140040050).

1212211212022 is a wasteful number, since it uses less digits than its factorization.

1212211212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478014.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1212211212022 its reverse (2202121122121), we get a palindrome (3414332334143).

The spelling of 1212211212022 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, twenty-two".