1212322021130 has 32 divisors (see below), whose sum is σ = 2403671856768. Its totient is φ = 436564324800.

The previous prime is 1212322021121. The next prime is 1212322021159. The reversal of 1212322021130 is 311202232121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53489201 + ... + 53511860.

It is an arithmetic number, because the mean of its divisors is an integer number (75114745524).

Almost surely, 2^{1212322021130} is an apocalyptic number.

1212322021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212322021130 is a deficient number, since it is larger than the sum of its proper divisors (1191349835638).

1212322021130 is a wasteful number, since it uses less digits than its factorization.

1212322021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107001182.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1212322021130 its reverse (311202232121), we get a palindrome (1523524253251).

The spelling of 1212322021130 in words is "one trillion, two hundred twelve billion, three hundred twenty-two million, twenty-one thousand, one hundred thirty".