1201020220010 has 32 divisors (see below), whose sum is σ = 2328714399312. Its totient is φ = 443342592000.

The previous prime is 1201020219967. The next prime is 1201020220069. The reversal of 1201020220010 is 100220201021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 37924836049 + 1163095383961 = 194743^2 + 1078469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201020219973 and 1201020220000.

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, 634409 + ... + 1674668.

Almost surely, 2^{1201020220010} is an apocalyptic number.

1201020220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201020220010 is a deficient number, since it is larger than the sum of its proper divisors (1127694179302).

1201020220010 is a wasteful number, since it uses less digits than its factorization.

1201020220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313098.

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

Adding to 1201020220010 its reverse (100220201021), we get a palindrome (1301240421031).

The spelling of 1201020220010 in words is "one trillion, two hundred one billion, twenty million, two hundred twenty thousand, ten".