1212211220214 has 16 divisors (see below), whose sum is σ = 2432218014720. Its totient is φ = 402771144360.

The previous prime is 1212211220197. The next prime is 1212211220251. The reversal of 1212211220214 is 4120221122121.

It is a congruent 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, 324813574 + ... + 324817305.

It is an arithmetic number, because the mean of its divisors is an integer number (152013625920).

Almost surely, 2^{1212211220214} is an apocalyptic number.

1212211220214 is an abundant number, since it is smaller than the sum of its proper divisors (1220006794506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212211220214 is a wasteful number, since it uses less digits than its factorization.

1212211220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649631195.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1212211220214 its reverse (4120221122121), we get a palindrome (5332432342335).

The spelling of 1212211220214 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred fourteen".