1212022211000 has 32 divisors (see below), whose sum is σ = 2836131976080. Its totient is φ = 484808884000.

The previous prime is 1212022210991. The next prime is 1212022211041. The reversal of 1212022211000 is 1122202121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606010106 + ... + 606012105.

Almost surely, 2^{1212022211000} is an apocalyptic number.

1212022211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212022211000 is an abundant number, since it is smaller than the sum of its proper divisors (1624109765080).

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

1212022211000 is a wasteful number, since it uses less digits than its factorization.

1212022211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212022232 (or 1212022218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212022211000 its reverse (1122202121), we get a palindrome (1213144413121).

The spelling of 1212022211000 in words is "one trillion, two hundred twelve billion, twenty-two million, two hundred eleven thousand".