1211051672046 has 12 divisors (see below), whose sum is σ = 2623945289472. Its totient is φ = 403683890676.

The previous prime is 1211051672041. The next prime is 1211051672059. The reversal of 1211051672046 is 6402761501121.

1211051672046 is a `hidden beast` number, since 1 + 2 + 110 + 516 + 7 + 20 + 4 + 6 = 666.

It is a super-2 number, since 2×1211051672046² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1211051672046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211051672041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33640324206 + ... + 33640324241.

It is an arithmetic number, because the mean of its divisors is an integer number (218662107456).

Almost surely, 2^{1211051672046} is an apocalyptic number.

1211051672046 is an abundant number, since it is smaller than the sum of its proper divisors (1412893617426).

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

1211051672046 is a wasteful number, since it uses less digits than its factorization.

1211051672046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67280648455 (or 67280648452 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 1211051672046 in words is "one trillion, two hundred eleven billion, fifty-one million, six hundred seventy-two thousand, forty-six".