1212211112002 has 16 divisors (see below), whose sum is σ = 1984347820800. Its totient is φ = 550802373840.

The previous prime is 1212211111973. The next prime is 1212211112053. The reversal of 1212211112002 is 2002111122121.

It is a super-2 number, since 2×1212211112002² (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 7 ways as a sum of consecutive naturals, for example, 10072677 + ... + 10192312.

It is an arithmetic number, because the mean of its divisors is an integer number (124021738800).

Almost surely, 2^{1212211112002} is an apocalyptic number.

1212211112002 is a deficient number, since it is larger than the sum of its proper divisors (772136708798).

1212211112002 is a wasteful number, since it uses less digits than its factorization.

1212211112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20267721.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212211112002 its reverse (2002111122121), we get a palindrome (3214322234123).

The spelling of 1212211112002 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one hundred twelve thousand, two".