1212220000210 has 16 divisors (see below), whose sum is σ = 2192960808000. Its totient is φ = 482451376176.

The previous prime is 1212220000207. The next prime is 1212220000231. The reversal of 1212220000210 is 120000222121.

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, 304575900 + ... + 304579879.

It is an arithmetic number, because the mean of its divisors is an integer number (137060050500).

Almost surely, 2^{1212220000210} is an apocalyptic number.

1212220000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212220000210 is a deficient number, since it is larger than the sum of its proper divisors (980740807790).

1212220000210 is a wasteful number, since it uses less digits than its factorization.

1212220000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609155985.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1212220000210 its reverse (120000222121), we get a palindrome (1332220222331).

The spelling of 1212220000210 in words is "one trillion, two hundred twelve billion, two hundred twenty million, two hundred ten", and thus it is an aban number.