1201210213100 has 72 divisors (see below), whose sum is σ = 2760175087488. Its totient is φ = 452184601600.

The previous prime is 1201210213087. The next prime is 1201210213121. The reversal of 1201210213100 is 13120121021.

It is a super-2 number, since 2×1201210213100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32997509 + ... + 33033891.

It is an arithmetic number, because the mean of its divisors is an integer number (38335765104).

Almost surely, 2^{1201210213100} is an apocalyptic number.

1201210213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201210213100 is an abundant number, since it is smaller than the sum of its proper divisors (1558964874388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201210213100 is a wasteful number, since it uses less digits than its factorization.

1201210213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55835 (or 55828 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1201210213100 its reverse (13120121021), we get a palindrome (1214330334121).

The spelling of 1201210213100 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred thirteen thousand, one hundred".