1220212020967 has 2 divisors, whose sum is σ = 1220212020968. Its totient is φ = 1220212020966.

The previous prime is 1220212020959. The next prime is 1220212021031. The reversal of 1220212020967 is 7690202120221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220212020967 - 2³ = 1220212020959 is a prime.

It is a super-2 number, since 2×1220212020967² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220212020367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610106010483 + 610106010484.

It is an arithmetic number, because the mean of its divisors is an integer number (610106010484).

Almost surely, 2^{1220212020967} is an apocalyptic number.

1220212020967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220212020967 is an equidigital number, since it uses as much as digits as its factorization.

1220212020967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 1220212020967 in words is "one trillion, two hundred twenty billion, two hundred twelve million, twenty thousand, nine hundred sixty-seven".