1020220102012 has 24 divisors (see below), whose sum is σ = 1827982837296. Its totient is φ = 497953279488.

The previous prime is 1020220101983. The next prime is 1020220102021. The reversal of 1020220102012 is 2102010220201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020220101983 and 1020220102001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455763 + ... + 2039530.

It is an arithmetic number, because the mean of its divisors is an integer number (76165951554).

Almost surely, 2^{1020220102012} is an apocalyptic number.

It is an amenable number.

1020220102012 is a deficient number, since it is larger than the sum of its proper divisors (807762735284).

1020220102012 is a wasteful number, since it uses less digits than its factorization.

1020220102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497037 (or 3497035 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020220102012 its reverse (2102010220201), we get a palindrome (3122230322213).

The spelling of 1020220102012 in words is "one trillion, twenty billion, two hundred twenty million, one hundred two thousand, twelve".