1212222232130 has 64 divisors (see below), whose sum is σ = 2688581645568. Its totient is φ = 383213617920.

The previous prime is 1212222232099. The next prime is 1212222232141. The reversal of 1212222232130 is 312322222121.

It is a happy number.

It is a super-3 number, since 3×1212222232130³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212222232096 and 1212222232105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49220 + ... + 1557840.

It is an arithmetic number, because the mean of its divisors is an integer number (42009088212).

Almost surely, 2^{1212222232130} is an apocalyptic number.

1212222232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212222232130 is an abundant number, since it is smaller than the sum of its proper divisors (1476359413438).

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

1212222232130 is a wasteful number, since it uses less digits than its factorization.

1212222232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509531.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1212222232130 its reverse (312322222121), we get a palindrome (1524544454251).

The spelling of 1212222232130 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty".