1222131342120 has 128 divisors (see below), whose sum is σ = 3948934550400. Its totient is φ = 300793457664.

The previous prime is 1222131342101. The next prime is 1222131342121. The reversal of 1222131342120 is 212431312221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1222131342121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13124686 + ... + 13217474.

It is an arithmetic number, because the mean of its divisors is an integer number (30851051175).

Almost surely, 2^{1222131342120} is an apocalyptic number.

1222131342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222131342120 is an abundant number, since it is smaller than the sum of its proper divisors (2726803208280).

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

1222131342120 is a wasteful number, since it uses less digits than its factorization.

1222131342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101259 (or 101255 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1222131342120 its reverse (212431312221), we get a palindrome (1434562654341).

The spelling of 1222131342120 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-one million, three hundred forty-two thousand, one hundred twenty".