1212200012214 has 12 divisors (see below), whose sum is σ = 2626433359836. Its totient is φ = 404066670732.

The previous prime is 1212200012213. The next prime is 1212200012269. The reversal of 1212200012214 is 4122100022121.

It is a super-2 number, since 2×1212200012214² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67344445123 = 1212200012214 / (1 + 2 + 1 + 2 + 2 + 0 + 0 + 0 + 1 + 2 + 2 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212200012213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33672222544 + ... + 33672222579.

It is an arithmetic number, because the mean of its divisors is an integer number (218869446653).

Almost surely, 2^{1212200012214} is an apocalyptic number.

1212200012214 is an abundant number, since it is smaller than the sum of its proper divisors (1414233347622).

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

1212200012214 is a wasteful number, since it uses less digits than its factorization.

1212200012214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67344445131 (or 67344445128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1212200012214 its reverse (4122100022121), we get a palindrome (5334300034335).

The spelling of 1212200012214 in words is "one trillion, two hundred twelve billion, two hundred million, twelve thousand, two hundred fourteen".