1220000201012 has 6 divisors (see below), whose sum is σ = 2135000351778. Its totient is φ = 610000100504.

The previous prime is 1220000201009. The next prime is 1220000201039. The reversal of 1220000201012 is 2101020000221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 890482871716 + 329517329296 = 943654^2 + 574036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1220000200984 and 1220000201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152500025123 + ... + 152500025130.

It is an arithmetic number, because the mean of its divisors is an integer number (355833391963).

Almost surely, 2^{1220000201012} is an apocalyptic number.

It is an amenable number.

1220000201012 is a deficient number, since it is larger than the sum of its proper divisors (915000150766).

1220000201012 is a wasteful number, since it uses less digits than its factorization.

1220000201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305000050257 (or 305000050255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220000201012 its reverse (2101020000221), we get a palindrome (3321020201233).

The spelling of 1220000201012 in words is "one trillion, two hundred twenty billion, two hundred one thousand, twelve".