1212210221102 has 8 divisors (see below), whose sum is σ = 1826469212736. Its totient is φ = 603387150192.

The previous prime is 1212210221087. The next prime is 1212210221111. The reversal of 1212210221102 is 2011220122121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358979623 + ... + 1358980514.

It is an arithmetic number, because the mean of its divisors is an integer number (228308651592).

Almost surely, 2^{1212210221102} is an apocalyptic number.

1212210221102 is a deficient number, since it is larger than the sum of its proper divisors (614258991634).

1212210221102 is a wasteful number, since it uses less digits than its factorization.

1212210221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717960362.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212210221102 its reverse (2011220122121), we get a palindrome (3223430343223).

The spelling of 1212210221102 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, one hundred two".