1022201554012 has 48 divisors (see below), whose sum is σ = 1827925102080. Its totient is φ = 500024501568.

The previous prime is 1022201554007. The next prime is 1022201554063. The reversal of 1022201554012 is 2104551022201.

It is a super-2 number, since 2×1022201554012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 65970538 + ... + 65986030.

It is an arithmetic number, because the mean of its divisors is an integer number (38081772960).

Almost surely, 2^{1022201554012} is an apocalyptic number.

It is an amenable number.

1022201554012 is a deficient number, since it is larger than the sum of its proper divisors (805723548068).

1022201554012 is a wasteful number, since it uses less digits than its factorization.

1022201554012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16882 (or 16880 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1022201554012 its reverse (2104551022201), we get a palindrome (3126752576213).

The spelling of 1022201554012 in words is "one trillion, twenty-two billion, two hundred one million, five hundred fifty-four thousand, twelve".