2220121012132 has 6 divisors (see below), whose sum is σ = 3885211771238. Its totient is φ = 1110060506064.

The previous prime is 2220121012127. The next prime is 2220121012171. The reversal of 2220121012132 is 2312101210222.

It can be written as a sum of positive squares in only one way, i.e., 2016019457956 + 204101554176 = 1419866^2 + 451776^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277515126513 + ... + 277515126520.

Almost surely, 2^{2220121012132} is an apocalyptic number.

It is an amenable number.

2220121012132 is a deficient number, since it is larger than the sum of its proper divisors (1665090759106).

2220121012132 is a wasteful number, since it uses less digits than its factorization.

2220121012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555030253037 (or 555030253035 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2220121012132 its reverse (2312101210222), we get a palindrome (4532222222354).

The spelling of 2220121012132 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, twelve thousand, one hundred thirty-two".