1211222210070 has 16 divisors (see below), whose sum is σ = 2906933304240. Its totient is φ = 322992589344.

The previous prime is 1211222210069. The next prime is 1211222210111. The reversal of 1211222210070 is 700122221121.

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, 20187036805 + ... + 20187036864.

It is an arithmetic number, because the mean of its divisors is an integer number (181683331515).

Almost surely, 2^{1211222210070} is an apocalyptic number.

1211222210070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211222210070 is an abundant number, since it is smaller than the sum of its proper divisors (1695711094170).

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

1211222210070 is a wasteful number, since it uses less digits than its factorization.

1211222210070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40374073679.

The product of its (nonzero) digits is 224, while the sum is 21.

Adding to 1211222210070 its reverse (700122221121), we get a palindrome (1911344431191).

The spelling of 1211222210070 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, seventy".