1212122002210 has 16 divisors (see below), whose sum is σ = 2493508118976. Its totient is φ = 415584686448.

The previous prime is 1212122002187. The next prime is 1212122002211. The reversal of 1212122002210 is 122002212121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212122002211) 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, 8658014232 + ... + 8658014371.

It is an arithmetic number, because the mean of its divisors is an integer number (155844257436).

Almost surely, 2^{1212122002210} is an apocalyptic number.

1212122002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212122002210 is an abundant number, since it is smaller than the sum of its proper divisors (1281386116766).

1212122002210 is a wasteful number, since it uses less digits than its factorization.

1212122002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17316028617.

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

Adding to 1212122002210 its reverse (122002212121), we get a palindrome (1334124214331).

The spelling of 1212122002210 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, two thousand, two hundred ten".